Supergirl is an American television series developed by Greg Berlanti, Ali Adler, and Andrew Kreisberg based on the characters created by Jerry Siegel and Joe Shuster in the Superman franchise and Al Plastino and Otto Binder's character Supergirl. The series stars Melissa Benoist in the titular role of Kara Zor-El / Kara Danvers / Supergirl, as well as Mehcad Brooks, Chyler Leigh, Jeremy Jordan, David Harewood and Calista Flockhart, with Katie McGrath, Chris Wood, Floriana Lima, Odette Annable, Jesse Rath, Sam Witwer, Nicole Maines, April Parker Jones, Azie Tesfai, Andrea Brooks, Julie Gonzalo, Staz Nair, LaMonica Garrett and Peta Sergeant joining in later seasons. In addition to original characters, several other characters from the DC Comics universe also appear throughout the series. For its first season, Supergirl aired on CBS, before moving to The CW for its second season.[1]

The series follows Kryptonian refugee and Superman's biological cousin Kara Zor-El (Benoist), who, after hiding her powers on Earth for more than a decade, becomes National City's superhero as Supergirl, battles against extraterrestrial and otherworldly threats, criminal masterminds, being targeted by her cousin's rogues gallery, and encountering an emerging community of metahumans within her adoptive world and individuals from parallel universes. Supergirl also deals with the Earth populace's fears and hostility against extraterrestrials and other beings with superpowers, leading her into conflicts with industrialist Maxwell Lord (Peter Facinelli), Lucy Lane's (Jenna Dewan) father General Sam Lane (Glenn Morshower) and Project Cadmus. She is assisted by a few close friends and family who guard her secrets—most notably her cousin's longtime friend James Olsen (Brooks), her adopted sister Alex Danvers (Leigh), and the Martian survivor J'onn J'onzz (Harewood).

The following is a list of characters who have appeared in the television series. Many are named after (or based on) DC Comics characters.


  = Main cast (credited)
  = Recurring cast (4+ episodes)
  = Guest cast (1–3 episodes)
Supergirl cast and characters
Character Portrayed by Seasons
1 2 3 4 5 6
Main characters
Kara Zor-El / Kara Danvers / Supergirl Melissa Benoist Main
James "Jimmy" Olsen / Guardian Mehcad Brooks Main[a] Guest
Alexandra "Alex" Danvers Chyler Leigh Main
Winslow "Winn" Schott Jr. / Toyman Jeremy Jordan Main Does not appear Guest
J'onn J'onzz / Martian Manhunter David Harewood Main[b]
Cat Grant Calista Flockhart Main Recurring Guest[c] Does not appear Guest
Mon-El Chris Wood Does not appear Main Does not appear Guest
Maggie Sawyer Floriana Lima Does not appear Main Recurring Does not appear
Lena Luthor Katie McGrath Does not appear Recurring Main
Samantha Arias / Reign Odette Annable Does not appear Main Does not appear Guest Does not appear
Querl Dox / Brainiac 5 Jesse Rath Does not appear Recurring Main
Ben Lockwood / Agent Liberty Sam Witwer Does not appear Main Guest Does not appear
Nia Nal / Dreamer Nicole Maines Does not appear Main
Lauren Haley April Parker Jones Does not appear Main Does not appear
Kelly Olsen Azie Tesfai Does not appear Recurring Main
Eve Teschmacher Andrea Brooks Does not appear Recurring Main Guest
Andrea Rojas / Acrata Julie Gonzalo Does not appear Main
William Dey Staz Nair Does not appear Main
Mar Novu / The Monitor LaMonica Garrett Does not appear Guest Main[d] Does not appear
Nyxlygsptlnz "Nyxly" Peta Sergeant Does not appear Main[e]
Recurring characters
Jeremiah Danvers Dean Cain Recurring Does not appear
Eliza Danvers Helen Slater Recurring Guest
Agent Vasquez Briana Venskus Recurring Guest Does not appear
Astra In-Ze Laura Benanti Recurring Does not appear
Alura Zor-El Recurring Guest Does not appear
Erica Durance Does not appear Recurring Does not appear Guest Does not appear
Zor-El Robert Gant Guest Does not appear
Jason Behr Does not appear Recurring
Leslie Willis / Livewire Brit Morgan Recurring Guest Does not appear
Non Chris Vance Recurring Does not appear
Maxwell Lord Peter Facinelli Recurring Does not appear
Lucy Lane Jenna Dewan-Tatum Recurring Does not appear
Sam Lane Glenn Morshower Recurring Does not appear
Siobhan Smythe / Silver Banshee Italia Ricci Recurring Does not appear
Indigo Laura Vandervoort Recurring Does not appear
Kal-El / Clark Kent / Superman Tyler Hoechlin Stand-in Recurring Does not appear Guest Does not appear
Lillian Luthor Brenda Strong Does not appear Recurring Guest Recurring Guest
M'gann M'orzz / Miss Martian Sharon Leal Does not appear Recurring Guest Does not appear Guest Recurring
Demos Curtis Lum Does not appear Recurring Guest Does not appear
Olivia Marsdin Lynda Carter Does not appear Recurring Does not appear Guest Does not appear
Snapper Carr Ian Gomez Does not appear Recurring Does not appear
Lyra Strayd Tamzin Merchant Does not appear Recurring Does not appear
Rhea Teri Hatcher Does not appear Recurring Does not appear
Lar Gand Kevin Sorbo Does not appear Recurring Does not appear
M'rynn J'onzz Carl Lumbly Does not appear Recurring Guest Does not appear
Selena Anjali Jay Does not appear Recurring Does not appear Guest Does not appear
Ruby Arias Emma Tremblay Does not appear Recurring Does not appear
Morgan Edge Adrian Pasdar Does not appear Recurring Does not appear
Thomas Coville Chad Lowe Does not appear Recurring Does not appear Guest Does not appear
Imra Ardeen / Saturn Girl Amy Jackson Does not appear Recurring Does not appear
Julia Freeman / Purity Krys Marshall Does not appear Recurring Does not appear
Lex Luthor Jon Cryer Does not appear Recurring
Mercy Graves Rhona Mitra Does not appear Recurring Does not appear
Otis Graves Robert Baker Does not appear Recurring Guest
Raymond Jensen / Parasite Anthony Konechny Does not appear Recurring Does not appear
Mackenzie Jaymee Mak Does not appear Recurring Does not appear
Phillip Baker Bruce Boxleitner Does not appear Recurring Does not appear
Lydia Lockwood Sarah Smyth Does not appear Recurring Does not appear
George Lockwood Graham Verchere Does not appear Recurring Does not appear
Manchester Black David Ajala Does not appear Recurring Does not appear
Sarah Walker Francoise Robertson Does not appear Recurring Does not appear
Margot Morrison Patti Allan Does not appear Guest Recurring Does not appear
Malefic J'onzz Phil LaMarr Does not appear Guest Recurring Does not appear
Gamemnae Cara Buono Does not appear Recurring Guest
Rama Khan Mitch Pileggi Does not appear Recurring Does not appear
Mitch Matt Baram Does not appear Recurring
Esme Mila Jones Does not appear Recurring
Orlando Davis Jhaleil Swaby Does not appear Recurring
  1. ^ Brooks is credited through "In Plain Sight".
  2. ^ In season one, Harewood is initially credited as Hank Henshaw for his portrayal of J'onn J'onzz until "Human for a Day", in which he is revealed to be portraying the latter character in the guise of the former.
  3. ^ Flockhart is uncredited for her appearance in "Man of Steel".
  4. ^ Garrett appears only in "The Wrath of Rama Khan" and "Crisis on Infinite Earths: Part One".
  5. ^ Sergeant is credited as a series regular from (6.03) onwards.

Main characters

Kara Zor-El / Kara Danvers / Supergirl

Further information: Supergirl (Kara Zor-El)

Main article: Kara Danvers

Melissa Benoist

Kara Zor-El / Kara Danvers / Supergirl (portrayed by Melissa Benoist as an adult, seasons 1–6; Malina Weissman and Izabela Vidovic as a teenager[2][3]) is a 24-year-old Kryptonian living in National City, who must embrace her powers after previously hiding them. When her pod crashed on Earth at a young age, she was found by her cousin Superman and was taken to live with his friend Jeremiah Danvers. She assists her adoptive sister, Alex Danvers, as part of the Department of Extranormal Operations (DEO). She discovers the truth that Jeremiah Danvers also worked for the DEO, so they would not take Kara. Alex's co-workers at the DEO help Kara to perfect her powers.[4][5] Kara has a day job, working as Cat Grant's assistant at CatCo.[6] Kara learns of the existence of metahumans and the multiverse when she befriends Barry Allen, aka the Flash, a superhero from a parallel Earth (Earth-1). Benoist expressed her excitement over portraying the character, and being able to "(tell) a story about a human being really realizing their potential and their strength".[7] Claire Holt and Gemma Atkinson were considered for the role.[8][9]

In season two, Kara deals with feuds between Earth's native populace and the extraterrestrial community, and struggles with romantic feelings for Daxamite prince Mon-El. She learns that Superman was formerly a member of the DEO, making her his successor within the organization. She becomes close with Lex Luthor's paternal half-sister Lena, and is targeted by Luthor's mother, Lilian, leader of Project Cadmus, an organization now dedicated to the exploitation and destruction of all aliens. Kara's adversaries include Mon-El's mother, Rhea, who wants to retrieve her son, the prince of Daxam, and invade Earth. Kara also becomes a visiting superhero to Earth-1 and a recurring ally of its heroes, including Barry's best friend, Oliver Queen, the vigilante archer Green Arrow.

In season three, Kara deals with the threat of Selena and the Worldkillers, including a new character, Samantha "Sam" Arias/Reign, another refugee from Krypton who is at first unaware of her origins and of her evil persona. Eventually Sam and Reign are physically separated, and Sam killed Reign at the cost of her own life and others'. Kara travels back in time to save Sam and prevent the sacrifice of Mon-El and of Kara's mother, Alura, who has survived Krypton. Kara takes the Harun-El (Black Kryptonite) with Sam and Reign into the Fountain of Lilith, taking down Reign. Unbeknownst to her, another Kara appears in the border of Siberia.

In season four, Kara deals with a new wave of anti-alien sentiment from the public, both as Supergirl and as a CatCo reporter. The hostility is secretly orchestrated by Lex Luthor. When it comes to the fight at Shelly Island, Supergirl fights against Lex Luthor using a special lead suit. Red Daughter sacrifices her life to give Supergirl the opportunity to defeat Lex Luthor.

In season five, Kara finds that CatCo is bought out by Andrea Rojas and she also contends with Leviathan. During the "Arrowverse", Supergirl, Superman, and Lois Lane work with their Earth-1 allies in their attempt to save the people of Earth-38 and becomes one of the Paragons at the cost of Oliver Queen. When Anti-Monitor destroys most of the Multiverse, Kara and the rest of the Paragons fight Anti-Monitor and the Shadow Demons. Oliver's second sacrifice as Spectre resulted in the creation of Earth-Prime where she finds that Lex Luthor was never a bad guy and LuthorCorp owns the DEO After finding that her Earth merged with Flash's Earth and Black Lightning's unnamed Earth, Supergirl and her allies fight the Anti-Monitor again. Afterwards, Supergirl contends with the plots of Lex Luthor and Leviathan.

In season six, Kara is sent to the Phantom Zone during the fight against Lex Luthor. She reunites with her father Zor-El and meets a 5th Dimension Imp named Nyxlygsptlnz as she works to get out. Kara and Zor-El were later rescued by the Super Friends using a sun bomb. By the end of season six following Lex Luthor and Nyxlygsptlnz getting dragged into the Phantom Zone, Kara finds out that Cat knows of her secret identity and is convinced to reveal it upon accepting the position of editor-in-chief at CatCo.


During the "Crisis on Earth-X" crossover, Benoist also portrays Overgirl, her character's fascistic parallel-universe counterpart from the Nazi-ruled world, Earth-X. Other performers superimposed in Benoist's likeness include her stunt double Jennifer Clarke. Overgirl is also referred to by Harry Wells and Cisco Ramon as Supergirl-X and Kara-X. The Earth-X Kara Zor-El is married to the Führer of Earth-X, Oliver Queen's doppelgänger, Dark Arrow. After Overgirl's heart is damaged, her husband tries and fails to seize Kara's heart to replace it. Overgirl dies, going supernova and exploding in space.

Red Daughter

In season four, Kara deals with a new wave of anti-alien sentiment from the public, both as Supergirl and as a CatCo reporter. The hostility is secretly orchestrated by Lex Luthor. Kara's Harun-El-replicated clone, Red Daughter (also portrayed by Benoist), is in the nation Kasnia, where she is being tested and trained by its military forces. It is revealed later that this is part of Luthor's latest scheme to defeat both Supergirl and Superman. Red Daughter has no memories or knowledge of her origins, and she sees Luthor as a mentor. She speaks Russian fluently. Kara's clone is eventually betrayed and presumably killed by Luthor after she has completed her part of his plan. When it comes to the fight at Shelly Island, Supergirl fights against Lex Luthor using a special lead suit. Red Daughter sacrifices her life to give Supergirl the opportunity to defeat Lex Luthor.

James Olsen / Guardian

Further information: Jimmy Olsen and Guardian (DC Comics)

Mehcad Brooks

James Olsen (portrayed by Mehcad Brooks; main: seasons 1–5; guest: season 6) is a former Daily Planet photographer who moved to National City and became the new art director for his former colleague, Cat Grant's media company, CatCo Worldwide Media. He is a potential love interest for Kara.[5][6][10] Among his reasons for moving across the country include his breakup with his girlfriend Lucy Lane (with whom he has since reconciled),[11] and keeping an eye on the newly revealed Supergirl for Superman, who considers him a close friend. While working at the Daily Planet, James received the Pulitzer Prize for taking the first photograph of Superman.

In season two, though initially attracted to each other, James and Kara decided that they are incompatible as a couple but remain friends. With Winn's help, James becomes Guardian.[12] He was also named acting CEO of CatCo after Cat Grant took a sabbatical from the company.

In season three, James and Lena Luthor begin a relationship. By the end of season three, James reveals himself to the public as the Guardian.

In season four, James works to help Supergirl when it comes to deal with the Children of Liberty. After CatCo prints a story about the alien march, James is shot by an unseen sniper. It was discovered that the sniper was a thought-to-be-dead Otis who survived the Hellgrammite attack. After being injected with a Harun-El serum, while dealing with a traumatic stress, James begins to developing metahuman abilities similar to Kryptonians'. During the fight against Agent Liberty at Shelly Island, James and Agent Liberty remove the Harun-El serum from each other.

In season five, James is replaced by Andrea Rojas as editor-in-chief of CatCo and quits after refusing to support her sensationalist plans. He later leaves National City and returns to his hometown Calvinville to take over its newspaper.

In season six, James returns as Guardian to help the Super Friends fight Lex Luthor and Nyxlygsptlnz. He was also present at Kelly and Alex's wedding.

Alex Danvers

Further information: Alex Danvers

Chyler Leigh

Alexandra "Alex" Danvers (portrayed by Chyler Leigh as an adult; seasons 1–6; Jordan Mazarati and Olivia Nikkanen as a teenager with the latter also portraying her VR counterpart[13][3]) is Kara's adoptive sister. A brilliant scientist with a past as a party girl, she was hired by Hank Henshaw at the DEO after being arrested for drunk driving, in an effort to turn her life around and see potential in her. As Henshaw's protégée, Alex was personally trained by him in extensive combat, strategic tactics, and investigation after joining the DEO, eventually becoming his right-hand agent in the field. An exceptionally skilled combatant, marksman, tactician, and detective since, Alex tasks herself in providing rigorous training to Kara to decrease her reliance on her powers. Initially, like Kara, she becomes suspicious of the DEO and thus her own role upon learning of their father having worked there to protect Kara, but Alex ultimately learns that Henshaw is the Martian survivor J'onn J'onzz in shape-shifted disguise, whom her father (who she thought is dead) had rescued before his and the real Henshaw's deaths. After she is arrested and placed in custody for having known about J'onn, she and J'onn escape upon learning that her father is alive at Project Cadmus. She and J'onn are eventually pardoned by the President after they helped save the world from Non's attack with Kara and subsequently rejoin the DEO. Alex also obtains a kryptonite-powered exoskeleton from Non when she was under his mind control to fight Kara, which artificially enhances her strength and endurance when wearing it. She keeps the suit for later missions, while using a different power source, Omegahedron.

In season two, Alex realizes her homosexuality and pursues a relationship with National City PD's detective, Maggie Sawyer. She also confides in Sawyer her secret that she is a DEO agent and occasionally works together.

In season three, though Alex and Maggie were engaged to be married, but later they break it off after realizing their incompatibility as a couple, primarily based on Alex's desire to have kids, while Maggie had no yearning to do so. Alex meets Samantha Arias and her daughter Ruby, and envious of Samantha of her motherhood and adores Ruby. She befriends Samantha so that she can be close to Ruby, and hopes one day that she will have her own daughter like Samantha's. Alex had a one-night stand and develops a friendship with Sara Lance, a vigilante associate of Oliver Queen / Green Arrow and leader of the time-traveling superhero team, the Legends, from Earth-1; her encounter with Sara allows Alex to begin moving on from Maggie. She also befriends Barry Allen and Oliver when she arrives to attend the former's wedding with Kara. She joins Earth-1 heroes and Kara to stop Earth-X invaders' scheme against the multiverse, and partnered with Sara when Kara was preoccupied with her villainous parallel universe doppelgänger Overgirl. Her scientific background is also invaluable in helping fellow scientists Harry Wells, Caitlin Snow, Martin Stein, Felicity Smoak, and Barry on Earth-1. Alex learns from Overgirl that she may have her own counterpart on Earth-X when she reveals to Alex that her adoptive sister tried to kill her once, hinting that Overgirl's sister may not aligned herself with the New Reich. Nearing the end of the season, in addition to her exoskeleton, Winn made a prototypical DEO protective suit for Alex, which is filled with advanced gadgetry for her needs in the field. In one episode, Alex made a reference that she worked in a hospital in Seattle before becoming a federal agent. In a flashback, it is revealed that ten years previously, Alex first became close to Kara after investigating a murder mystery of their friend from high school together. By the end of season three, Alex becomes the new director of DEO.

In season four, Alex struggles with her new role as director, and her organization deals with a new wave of anti-extraterrestrial bigotry within the country. During the crossover, "Elseworlds", Kara meets Alex's Earth-1 counterpart, who is intrigued of learning the details of her Earth-38 self's life from Kara. To protect Kara from Haley, Alex has J'onn wipe her memory of her knowing that her sister is Supergirl. Though she later regains her memory of this after seeing Supergirl being beaten up by Red Daughter. After Supergirl is resuscitated by the sunlight, Alex gets a call from Colonel Haley about the true purpose of the Claymore satellite. Alex later assists James in fighting Agent Liberty on Shelly Island where she managed to get the Harun-El serum out of James and Agent Liberty.

In season five, Alex assists in the investigation of Leviathan. Following the Crisis which led to the creation of Earth-Prime, Alex is now the director of the DEO. which is now owned by LuthorCorp. She was surprised at that when Martian Manhunter restored her memories. Owing to Brainiac 5 working to help Lex Luthor when it comes to Leviathan, Alex resigns from the DEO enabling Lex to swear in Brainiac 5 as the new Director of the DEO When her father died, Alex was reluctant to attend his funeral and used the Obsidian lens to do a Supergirl fantasy that started to affect her alongside the others that indulge in it. With help from Andrea Rojas, Kelly was able to get Alex out using a VR version of her younger self. Afterwards, Alex went to Midvale to attend her father's funeral. When it comes to fighting Rama Khan, Tezumak, and Sela, Alex started wearing a new suit provided to her by Martian Manhunter to help fight Leviathan.

In season six, Alex assists in the fight of Lex Luthor. While advised by Lena to inform Kelly about Supergirl's identity, Alex is persuaded by Martian Manhunter to take on the Sentinel alias. By the end of season six, Alex gets married to Kelly and they adopted a young alien orphan girl called Esme.

Winn Schott

Jeremy Jordan

Winslow "Winn" Schott Jr. (portrayed by Jeremy Jordan; main: seasons 1–3; guest: seasons 5–6) is a tech expert who works alongside Kara at CatCo and serves as one of her allies, helping her develop her costume and aiding her in her adventures as Supergirl. Winn has an unrequited crush on Kara and is rivals with James for her affection, and he later pursued a relationship with Cat's new assistant Siobhan Smythe until she turns into Supergirl's supernatural metahuman archenemy Silver Banshee. In the series, he is the son of Toyman.[6][14][15]

In season two, he has left CatCo for a full-time position at the DEO recruited by Alex Danvers and J'onn J'onzz.[16] He and James also become best friends. Winn is responsible for helping James to become the Guardian while he is called the man in the van by James. In addition to remain improving Kara's costume and offers her tech support, Winn also makes his own modifications with her interdimensional extrapolator, a device she received from Earth-1's metahuman inventor Cisco Ramon.

In season three, Winn helps in the fight against the Worldkillers. By the end of season three, Winn is invited to join the Legion of Super-Heroes as he invented the sub-atomic shield and its development saves countless people in the future. Together with Mon-El, he travels into future for saving it, starting his own journey as a hero.

Jeremy Jordan returns to the series in its fifth season.[17] He returns to the present in pursuit of his doppelganger who has done things that caused the real Winn to be wanted for terrorism. Winn does give advice to Nia about certain things while referencing her descendant. Supergirl and the DEO were able to thwart the attempt of the lives of Andrea Rojas and those present at her presentation, but Toyman perishes. This changes Winn's future where he no longer a wanted man. When his alternate counterpart's mind is uploaded into the DEO's computers, Winn enters the computers and reluctantly gets the aid of the digital conscious of his father. Winn was able to stop the hack as Toyman and the alternate Toyman are deleted. At one point, Winn mentioned that he was called Computer Lad by a member of the Legion of Super Heroes. As he plans to return to the future, Winn plans to become a different Toyman.

In season six, Toyman appears to help fight Lex Luthor and Nyxlygsptlnz. He later appears at Alex and Kelly's wedding where he hints to J'onn that he and Miss Martian will have a son while also mentioning to Kara and Jimmy that Mister Mxyzptlk owes Alex and Kelly a wish.

J'onn J'onzz / Martian Manhunter

Further information: Martian Manhunter

David Harewood

J'onn J'onzz (portrayed by David Harewood; seasons 1–6) is the head of the DEO who takes Hank Henshaw's likeness after Henshaw is killed in Peru while hunting J'onn. J'onn takes Henshaw's likeness to reform the DEO from within as well as a promise to Jeremiah Danvers to watch over Alex and Kara, who each subsequently trust him as a mentor after learning of his true identity. Prior to his escape from the holocaust on Mars, J'onn was a law enforcement officer to his people. In addition to his powers, J'onn learned various skills and knowledge after living on Earth over decades including martial arts, strategy, investigation tactics, in addition telepathically learned some of Henshaw's memories and knowledge, making him a formidable opponent when in human form without the need of his extraterrestrial abilities and more than capable to run the DEO in Henshaw's place. He takes Alex in as his protégée and forges her as a strong DEO agent, eventually she becomes his right-hand operative. In the episode "Falling", J'onn reveals to the whole world his true identity to stop Kara, who is affected by Red Kryptonite, from killing Alex. He is then arrested by the DEO agents who are at the scene, only to escape with Alex upon learning that Jeremiah has survived the attack and that he is being held at Project Cadmus, a facility that experiments with aliens and where he was going to be taken.

In season two, J'onn begins a romantic relationship with a benevolent member of the White Martian race, M'gann M'orzz.

In season three, it is revealed that J'onn's father is alive and they struggle to reconcile of their relationship. His spaceship is disguised as a 1952 vintage Chevrolet Deluxe convertible, in which J'onn, Kara, and Alex love to drive for pleasure. By the end of season three, after he succeeds the memory and knowledge from his father, J'onn leaves the DEO.

In season four, J'onn helps run a support group for aliens trying to integrate into Earth society. He also begins a career as a private investigator. He eschews combat, preferring to provide guidance and mentorship. He warns Kara of a rising wave of anti-alien bigotry. In addition, he starts to go after Manchester Black. During the fight at Shelly Island where they were imprisoned, J'onn and Dreamer use their abilities to overload the core of the satellite before it can be fired on Argo where Superman is.

In season five, J'onn assisted in the investigation of Leviathan and deals with his brother Malefic. After reconciling with Malefic and sending him to meet with M'gann, J'onn is approached by the Monitor who stated that he passed this test to prepare himself for the upcoming Crisis. Following the Crisis which led to the formation of Earth-Prime, J'onn worked to restore the memories of their allies as well as assisted in fighting the Anti-Monitor. J'onn later provided Alex with a special suit to help in the fight against Leviathan.

In season six, J'onn assists in the fight against Lex Luthor while joining M'gann to use a Martian ritual to destroy the satellites. While Malefic is unable to help locate the part of the Phantom Zone that Lex Luthor sent her to, J'onn informs Alex that M'gann is enlisting someone who can help and tells the story of Norr Cott who operated as the Sentinel. He then advises Alex to take on the Sentinel alias. Following the defeat of Lex and Nyxlygsptlnz, J'onn officiates Alex and Kelly's wedding. Toyman does drop a hint to him that he and M'gann will have a son.

The evolution of Henshaw was discussed during the filming of the pilot, with the executive producers jokingly saying that Harewood would be a good actor to play the Martian Manhunter in a potential television series, to which DC Comics' Geoff Johns asked why it could not be done in Supergirl. Harewood reflected that he had a difficult time "find[ing] an angle to play Hank Henshaw" in the pilot, and became excited when he was told about the change for his character's backstory.[18]

Hank Henshaw / Cyborg Superman

Main articles: Hank Henshaw and Cyborg Superman

Harewood also recurs as the real Hank Henshaw, a former CIA agent and ex-head of the DEO who is ruthless and obsessed with hunting down aliens he believed to be dangerous. He died after he stabbed Jeremiah Danvers in Peru while hunting the alien J'onn J'onzz. Hank was subsequently found and revived by Project Cadmus, who enhanced him to become the Cyborg Superman.[19]

In season five, a virtual reality version of Hank Henshaw stole a warhead in a plot to regain the DEO After capturing Kara, he is defeated by Alex as Supergirl.

Cat Grant

Further information: Cat Grant

Calista Flockhart

Cat Grant (portrayed by Calista Flockhart; main: season 1; recurring: season 2; guest: seasons 3–4 & 6, Eliza Helm as a younger Cat in season six[20]) is the founder and CEO of CatCo Worldwide Media, who feels, since she "branded" Kara as "Supergirl", that she has proprietary custody over the new hero.[6][21] She was the personal assistant to Perry White prior to being a gossip columnist at the Daily Planet. Cat investigates and reveals that Supergirl is Superman's cousin, which then causes her to become a target for some of Superman's enemies. She also serves as a mentor to Kara, dispensing advice about being a woman in a man's world. In the episode "Hostile Takeover", she begins to suspect that Kara is Supergirl, while the second-season finale reveals she knew Kara was Supergirl all along.

Flockhart became a recurring actress for season two, due to the series' production shift to Vancouver and her desire to take on projects near her Los Angeles home.[22] To accommodate this, Cat decides to take a leave of absence from CatCo, leaving James in charge during the second episode of season two. She returns in the final two episodes to help protect National City from the Daxamite invasion.[23] Flockhart remained a recurring guest star for season three.[24]

In the first episode of season three, it is revealed that Cat has become Olivia Marsdin's Press Secretary.

In season five, a possible reality shown to Supergirl by Mxyzptlk revealed that Cat was among Kara's loved ones who were killed by the Children of Liberty when Kara was provoked to reveal her identity after the Children of Liberty abducted Lena Luthor and Thomas Coville.

In season six, a younger Cat Grant, going by "CJ Grant" as Perry White called her, comes to Midvale to look for the source of Midvale's luck to outdo Lois Lane's story and runs into a younger Alex posing as Eliza Danvers. After attempts to get close to Supergirl that led to her encounter with Naxim Tork, Dreamer in her Brenda alias persuades her to branch off from the Daily Bugle. Cat is later called up by Perry and informs him of her resignation while telling her to call her Cat Grant. Following the defeat of Lex Luthor and Nyxlygsptlnz, Cat calls up Kara offering her the position of editor-in-chief after buying CatCo back from Andrea Rojas. She also figured out that Kara is Supergirl and persuades her to come forward with revealed it to the world.


Further information: Lar Gand

Chris Wood

Mon-El (portrayed by Chris Wood; main: seasons 2–3; guest: seasons 5–6) is a survivor and prince of a royal family from the planet Daxam who seeks to become a superhero on Earth. Owing to Daxamites being an offshoot of Kryptonians, Mon-El has similar powers to Superman and Supergirl. Mon-El crash lands on Earth in an escape pod at the end of season one. His carefree and somewhat laid-back nature leads to friction with Kara as she mentors him in the ways of being a hero.[25][26][27] Mon-El eventually falls in love with Kara and they become a couple. After Kara triggers a weapon that laces the atmosphere with lead dust to stop Rhea's Daxamite army, Mon-El is forced to leave Earth.

In season three, it is revealed that Mon-El's pod was sucked into a wormhole and he time-traveled to the 31st century. He was in the future for seven years, where L-Corp administered a serum that gives him immunity to lead poisoning. Despite his love for Kara, Mon-El ultimately marries Imra Ardeen before he returns to the 21st century with her and other passengers for an unknown mission. He is also revealed to be the founder of the superhero team, the Legion.

In between seasons three and four, Mon-El and the other Legionnaires returned to the 31st century, though Brainy stayed behind.

In season five, Mon-El is shown in some possible realities that Mxyzptlk shows Kara. The first one has him and Lena falling in battle against Reign. Another reality where Supergirl and Lena didn't meet as Mon-El as part of a resistance against Lena and her Hope-Bots.

In season six, Mon-El is among those that help the Super Friends fight Lex Luthor and Nyxlygsptlnz. Afterwards, Mon-El tells Supergirl that he won't be returning to her time again.

Maggie Sawyer

Further information: Maggie Sawyer

Maggie Sawyer (portrayed by Floriana Lima; main: season 2; recurring: season 3) is a detective for the National City Police Department who takes a special interest in the cases involving aliens, metahumans, and other extraordinary occurrences. She uses her own experience as a lesbian to help guide Alex as the latter struggles to understand her own sexuality, and the two eventually begin a romantic relationship.[28] However, in season three because Maggie does not want to have children, Alex breaks up with her, with Maggie telling Alex that she'll be a great mom when the time comes.

Lima became a recurring actress for season three. She noted the role was only intended to last for one season.[29]

Lena Luthor

Further information: Lena Luthor

Katie McGrath

Lena Kieran Luthor[30] (portrayed by Katie McGrath; main: seasons 3–6; recurring: season 2, Lucy Loken as a teenager) is the CEO of L-Corp (formerly known as Luthor Corp) and the younger paternal half-sister of Lex Luthor. She arrives in National City after Lex has been incarcerated, hoping to rebrand Luthor Corp as a force for good.[31] As the daughter of Lionel Luthor, to whom she is close, Lena tries to redeem her family name after Lex's crimes have tarnished it and to break from her half-brother and step-mother's legacy. Initially, she believed that she was the adopted daughter of the Lionel and Lillian Luthor, but Lena learns that she is actually Lionel's illegitimate child from his extramarital affair. Lena meets Kara after Kara is assigned to interview Lena about L-Corp. Shortly after, the two develop a strong relationship. Later in the season she is taken advantage of by Rhea, under guise of fixing the portal to get her home, but instead brought all the Daxamites to Earth. She is almost married off to Mon-El before the wedding is interrupted and they escape where she then aids her mother and Winn in driving away the Daxamites. Camille Marty portrays a young Lena.[32] McGrath was promoted to series regular for season three.[33]

In season three, she buys CatCo Media to prevent Morgan Edge from taking it over and decides to run CatCo personally, temporarily handing over control of L-Corp to Sam Arias. Unlike her half-brother, Lena is able to develop a formula to create synthetic Kryptonites. Like Cat Grant, she knows Kara is Supergirl, but has been in complete denial. By the end of season 3, Lena synthesizes the Kryptonian mineral Harun-El in her laboratory since it is a form of Black Kryptonite, and starts the phase 2 of her experiment.

In season four, Lena helped to make a special suit for Supergirl when the air was saturated with Kryptonite. Lex later invites Lena and Lillian to the White House to watch the destruction of Argo. After an incident at Shelly Island causes Lex to leave, Lena and Lillian fight their way past Lex's henchmen. After Lex teleports to safety upon his armor being destroyed, he arrives in a room where Lena removes the Harun-El from him. Before succumbing to his wounds, Lex spitefully reveals to Lena that Kara is Supergirl; leaving her bitter and heartbroken.

In season five, this perceived betrayal has led Lena to go down a dark path; similar to Lex and Lillian respectively. She buys out CatCo's building so that her old friend Andrea Rojas can run CatCo and keep an eye on Kara while running some simulations with her A.I. Hope. In addition, she also blackbags Eve, Using a miniature device on Eve's head, Lena maps out Eve's brain. Andrea visits Lena voicing her knowledge about Lena's misuse of her products and states that she is cut off. If she ever does anything against her, Andrea will see to it that the next story will expose Lena's experiments. Afterwards, Lena moves on to Plan B where she reveals that she mapped out the loyalty parts of Eve's brain where she uploads Hope into it enabling Hope to control Eve's body. After being visited by Andrea, Lena provides the diversion for Supergirl so that Acrata can spring Rip Roar out of DEO custody. Once that was done, Andrea gave Lena the medallion. Then she has her computers research Eve's brain for any information about Leviathan. After Lex was revived, he said that he would help Monitor in exchange for a favor that involved Lena. When the Crisis began, Lena was persuaded by Alex to help work on a transporter to transport everyone from Earth-38 to Earth-1, resulting in Lena saving billions of lives. Following the Crisis which led to the formation of Earth-Prime, Lena still had her memories as part of Lex's deal with the Monitor and that she and Lex are now co-CEO's of LuthorCorp. In addition, Lena finds that Lillian is the head of the Luthor Foundation. Lena reluctantly had to cooperate with her two family members as Lex used a truth-enforcing organism on himself. Following the Non Nocere experiment failing on the inmates, Lena learned from Lex that her project would fail anyway and he had only assisted her to see her realise that she was wrong. Rejecting her brother's offer to join his own plans of conquest, and horrified to realise that she had become the same kind of villain as her brother, Lena returned to Kara to warn her about Lex's plans. Lena makes an Anti-Kryptonite suit that wasn't on Earth-Prime so that Supergirl can fight Rama Khan, Tezumak, and Sela who are empowered by Kryptonite while also rescuing William Dey from Eve. When Supergirl enters virtual reality to put an end to the Unity Festival plot, Lena had to protect her physical body when Acrata is dispatched. Lena was able to talk her down. Afterwards, Supergirl and Lena plan to go after Lex.

In season six, Lena helps to thwart the plans of Lex and Lillian. When Lex was incarcerated at the National City Prison and being visited by Lillian, Lena appears and uses the Myriad to erase their memories of Supergirl's identity and then gives Myriad back to Alex. Owing to Lex having Otis sabotage the new children's hospital wing and considering that killing him won't solve anything, Lena informs Lex that she is leaving LuthorCorp. She joins the Tower, using her scientific and technological expertise to help J'onn J'onzz, Alex, and the other Super Friends. She learns that her birth mother was a practitioner of magic, and that she possesses the same ability. As a scientist, she is reluctant to accept this, but she ultimately embraces magic to fight Nyxly, a fifth-dimensional imp; fifth-dimensional energy is the same thing as magic. A dying Lillian tells Lena that she knew about her birth mother's magic, and steered Lena towards science because of it; Lillian urges Lena to choose her own path, free from anyone's expectations. After Nyxly's defeat, Lena establishes the Lena Luthor Foundation.

Samantha Arias / Reign

Odette Annable

Further information: Reign (comics)

Samantha "Sam" Arias/Reign (portrayed by Odette Annable; main: season 3; guest: season 5) is an unknowing Kryptonian survivor sent to Earth by a party of Kryptonian priestesses as an infant prior to its destruction.[34][35] Sam was adopted by Patricia Arias. Although she grew up without knowledge of her origins, she is sensing that there is something unusual within herself and fears it. Samantha is also a single mother who struggles to raise her daughter Ruby, having distanced herself from her adoptive mother when she became pregnant with her daughter as a teenager. At one point, Sam demonstrated superhuman strength that let her lift a fallen tower off of her daughter Ruby during a terrorist attack; but she believes her strength in the moment was merely derived from adrenaline and the heightened emotion of distress, and she loses the extra strength immediately after. She works with Lena Luthor, and is promoted to be the acting CEO of L-Corp after Lena Luthor buys CatCo, and later becomes its CFO. She and her daughter also later befriend Alex and Kara Danvers. Throughout the season, Sam forms close friendships with Lena, Alex, and Kara. She finds out from her adoptive mother that she arrived on Earth in a space pod and thus she is an extraterrestrial in origin. Under the pod's key's guidance, Sam travels to a desert that leads to a hidden Kryptonian fortress, where a hologram in the form of one of the dark priestesses, Selena, informs Sam of her heritage and that she is engineered as a "Worldkiller," a living biological weapon of enhanced Kryptonian physiology who was sent to rule Earth; her pregnancy kept her from coming into her powers. Sam was not willing to accept this, but her full powers manifested, awakening her dormant alternative personality Reign. By the end of the season, it is revealed that Selena is Reign's birth mother, therefore is Sam's as well.

After returning home, Sam remains a devoted mother to Ruby with no memories of her actions as Reign, while her Kryptonian alter-ego becomes a black-clad, masked vigilante who indiscriminately kills those she sees as evildoers. However, Reign and two other Worldkillers are each designed to have dissociative identity to keep their existences hidden, yet Sam is stronger than Reign in willpower and control because of her devotion to Ruby, keeping Reign from fully takes over. During her first encounter with Kara's alter-ego Supergirl, Reign battles and defeats her, leaving the superheroine in a coma for days.

After Supergirl emerges from her coma, Reign is at odds with her, the DEO, and the Legion. Reign learned that are more Worldkillers on Earth and seeks to find them. She manages to get Purity on her side when she surrenders to Reign.

Following the deaths of Purity and Pestilence, Reign absorbed their abilities and got away. Reign later targets Ruby to eliminate Sam's will for control, causing Supergirl and Alex Danvers to work in protecting her. Thanks to some Kryptonite, Supergirl, Mon-El, and Kara were able to incapacitate her enough to render her unconscious as they work to find a way to get rid of the Reign side of her. Later, using a mineral from Krypton called the Harun-El, which is a form of Black Kryptonite, they are able to split Sam from Reign. Sam joins the fight against Reign and the dark priestesses after endowing powers that match Reign's. In one timeline, Sam kills Reign, but at the cost of her own life and her allies, but Supergirl travels back in time, and changes the outcome of Reign's defeat and averted the deaths. In the reset timeline, though still defeating Reign by herself, because of another exposure to the Harun-El during the fight, Sam is rid of the Kryptonian side from her, therefore having no powers once more and a chance to again living a normal life with her daughter.

In season four's premiere, it is mentioned that Sam and Ruby have relocated to Metropolis, where Sam is heading L-Corp's northeast sector.

In season five, Mxyzptlk showed Kara some possible realities that Reign is in. The first one showed that Reign killed Lena Luthor and Mon-El before being taken down by Supergirl. A reality in which Supergirl and Lena didn't meet showed that Reign became one of Lena's enforcers.

Querl Dox / Brainiac 5

Main article: Brainiac 5

Jesse Rath

Querl Dox/Brainiac 5 (portrayed by Jesse Rath; main: seasons 4–6; recurring: season 3) is a Coluan hero from the 31st century who arrives in National City to help Supergirl battle Reign.[36] Rath was promoted to series regular for season four.

In season five, Brainiac 5 helped to investigate Leviathan. Following the Crisis, Brainiac 5 encountered different doppelgangers of himself including a dead eyepatch-wearing Brainiac 5, an evil Brainiac 5 who bottled his Earth during the Crisis, a ponytail-sporting Brainiac 5 (all three also portrayed by Jesse Rath), and a female Brainiac 5 (voiced by Meaghan Rath) who is the director of her DEO. The evil Brainiac 5 plans to open the bottle with the help of the witches and release his world in Al's Bar, not caring that this would destroy Earth-Prime. Brainy Prime removes his three personality inhibitors, assuming his true Coluan colors and powers. He promises the anguished Brainiac 5 that he will search for a safe way to open it someday. The three Kryptonian witches agree and join the evil Brainiac in his bottled world. The two remaining Brainiac 5 doppelgangers choose to give up their corporal forms and exist inside the Big Brain, the "Coluan knowledge aggregate." Before she leaves, the female Brainy warns Brainy Prime that he must give up everything and everyone and appear to work with Lex Luthor to stop the threat of Leviathan. After breaking up with Nia, Brainiac 5 visits Lex Luthor about Leviathan. He does state of a possible doppelganger sighting as he is shown a picture of Winn Schott. He frees the alternate Winn and brings him to Lex. Outside of Winn, Alex finds out about Brainy working with Lex to uncover Leviathan and what his female counterpart said. When Alex resigns, Brainy becomes the new Director of the DEO. His work with Lex also strained his relationship with Dreamer. During the fight against Leviathan, Brainiac 5 enters their ship. Guided by the female Brainiac 5, he activates the code that disables Leviathan as he bottles up Rama Khan, Tezumak, and Sela. Owing to being weakened by the ship's defenses, Brainiac 5 has the bottle taken from him by Lex Luthor as Dreamer heads off to find Brainiac 5.

In season six, Brainiac 5 is saved by Dreamer and explains to her why he had to push her away. It took Martian nanites to help Brainiac 5 recover. Near the end of the season, Brainiac 5 intended to return to his time and merge with the Big Brain, but was unable to go through with it due to his love for Nia.

Ben Lockwood / Agent Liberty

Main article: Agent Liberty

Sam Witwer

Benjamin "Ben" Lockwood/Agent Liberty (portrayed by Sam Witwer; main: season 4; guest: season 5) is a former college professor who became an anti-aliens extremist after suffering a series of misfortunes, including the loss of his business, home, and father over the course several alien attacks. With the aid of Mercy and Otis Graves, secretly along with Lex Luthor from prison, Ben becomes a self-proclaimed "Agent of Liberty" and founds a human supremacist group called the Children of Liberty to rid Earth of all alien life, including Supergirl. After winning a debate against Kara Danvers on national television, Ben is given his own weekly show named "The Lockdown" whilst secretly operating as the masked Agent Liberty. Ben and his organization go on to kill numerous aliens in National City, including Manchester Black's fiancée, Fiona Byrne.

Ben subsequently comes to blows with a revenge-driven Manchester, who kidnaps Ben's wife Lydia and reveals her husband's alter-ego. Supergirl ultimately intervenes and apprehends them both. Ben is publicly exposed as the Children of Liberty's leader and taken into police custody. However, a large crowd of his supporters, including Lydia, protest Ben's imprisonment.

Ben later enlists his son George to get involved with the Children of Liberty on his behalf. He is eventually pardoned by President Baker under the cause that the Children of Liberty's terrorism does not apply to humans, despite the Alien Amnesty Act. Baker later invites Ben to the White House, where he makes him the Director of Alien Affairs. With his new authority, Ben grows more dangerous in his agenda, including beating his underlings into submission. He begins using the president's martial law to round up all alien residents in the United States, intending on committing genocide. After Lydia is murdered in retaliation for his actions, Ben injects himself with Lena Luthor's experimental Harun-El serum and gains superhuman powers to avenge the death of his wife. However, his vendetta strains his relationship with George, who becomes disillusioned with his father.

Ben later learns from Otis about Lex's plot to redeem himself by using and betraying the Children of Liberty and Kaznian invaders, causing Ben to kill Otis. Starting to fall ill from the experimental serum and no longer having any reason to his goals, Ben attempts to take revenge on Lex for manipulating him but is ultimately stopped by Kara, Alex Danvers and James Olsen. After a grueling battle, Ben and James simultaneously de-power one another. After Lex's plot is exposed, Baker is impeached and arrested while Ben is then imprisoned for his crimes of domestic terrorism. Ben watches from prison as his son begins speaking out for the cooperation of humans and aliens alike.

In season five, Mxyzptlk showed Kara a possible reality where she revealed her secret to Lena from the start. Here, Ben started hating Supergirl after his family died in a misguided attempt to get her to save them. Ben and Otis abducted Lena and Thomas Coville to coerce Supergirl to reveal her identity. This works and Supergirl saves Lena and Thomas at the cost of the Children of Liberty targeting her loved ones.

Nia Nal / Dreamer

This section needs expansion. You can help by adding to it. (November 2019)

Main article: Nia Nal

Nicole Maines

Nia Nal (portrayed by Nicole Maines; seasons 4–6) is a transgender woman working at CatCo under Kara Danvers.[37]

She was a political speechwriter in Washington, D.C. where she worked for Cat Grant, the White House Press Secretary, under the administration of President Olivia Marsdin. She was sent to National City to be taken under the wing of Kara Danvers / Supergirl to learn the ways of reporting and superheroism.

Lauren Haley

April Parker Jones

Lauren Haley (portrayed by April Parker Jones; season 4) is a United States Marine Corps colonel brought in by President Baker to supervise Danvers.[37]

After Supergirl and Brainiac 5 defeated Agent Liberty and Manchester Black, Haley works to find out who Supergirl is. When she finds out that Supergirl is Kara Danvers, Martian Manhunter uses his abilities to erase her memory of this discovery.

Haley soon starts to doubt President Baker's motives like when a satellite to be used against the aliens nearly crashes which she had no knowledge to when confronted by Alex, making Benjamin Lockwood the Director of Alien Affairs, and declaring Supergirl public enemy #1 after Red Daughter posed as Supergirl and attacked the White House.

When Agent Liberty wanted Haley to summon Supergirl so that the government agents could use their weapons on her, Haley hit the signal watch to summon her. Though Haley secretly hit it twice causing Supergirl not to show up. Haley later contacts Alex to let her know what the Claymore satellite is really being used for. After Lex is killed, Baker is impeached, and Agent Liberty is arrested, Haley is shown to have become the interim Secretary of Alien Affairs.

Kelly Olsen

Kelly Olsen (portrayed by Azie Tesfai; main: seasons 5–6; recurring: season 4) is James Olsen's sister.[38]

She became part of the main cast for the fifth season.[39] After Jimmy leaves CatCo, Kelly goes to work for Obsidian Tech and helps with the development of the Obsidian Platinum lenses.

In season six, Kelly finds Andrea in sadness as her father blames her for what happened with the Unity Festival. Afterwards, Lena advises Alex to inform her on Supergirl's identity. Following the defeat of Lex Luthor and Nyxlygsptlnz, Alex and Kelly get married and adopt a little alien girl named Esme.

Eve Teschmacher

Main article: Eve Teschmacher

Eve Teschmacher (portrayed by Andrea Brooks; main: season 5; recurring: seasons 2–4; guest: season 6) is Cat Grant's and later James' new assistant. When Lena Luthor starts clinical trials at L-Corp and later for the DEO to produce superhuman abilities in humans, Eve joins Lena as her assistant. She is named after a supporting character in the Superman Franchise who worked with Lex Luthor.

She is later discovered to be a mole sent by Lex Luthor. After Lex Luthor is killed, a disguised Eve tries to flee. She is intercepted at the bus stop by an elderly female representative of Leviathan who apparently forced her to work with Lex Luthor.

In season five, Eve returns to National City under Leviathan's orders and is blackbagged by Lena. Using a miniature device on Eve's head, Lena maps out Eve's brain. After Andrea cut her off, Lena moves on to Plan B where she reveals that she mapped out the loyalty parts of Eve's brain where she uploads Hope into it enabling Hope to control Eve's body. After the attempt to use a weapon satellite, Hope in Eve's body takes the blame and is arrested by the FBI. Sometime after the Crisis where Earth-Prime is formed, Eve is shown as an employee at Obsidian Tech. She is asked by Andrea to look into the bug patches in the Obsidian Lenses. In flashbacks, Eve was coerced into working for Leviathan as their assassin after her father was killed. Lex found her on one of her assignments and persuaded her to work as her inside person while providing protection for her mother and planning to give the information of the person who killed her father. Some of the events she helped Lex with was the actions caused by Amy Sapphire and Richard Bates. Eve was then tricked into killing Jeremiah Danvers who Lex claimed was the one who killed her father. Following Supergirl stopping the Sun-Eater and Lex killing Margot to rescue those trapped in virtual reality, Lex revealed his lie about Jeremiah killing her father and has the footage of it as a way to keep her loyalty and to keep her from being at the other end of Supergirl's eye beams. When Eve states to Lex that he is worse than Leviathan, Lex states that he is better than Leviathan. When Kelly and William brought up Eve to Andrea, she stated that Eve had a clean slate. William secretly followed Eve only to end up black-bagged. He is interrogated by Eve. Even though she shoots him in the shoulder, Eve is subdued by Lena while Supergirl cauterizes the wound. Supergirl learns of Lex's manipulation of Eve. After the Unity Festival plot was thwarted, Supergirl went to go pick up Eve's mother.

In season six, Eve and her mother felt the effects of the broadcast caused by Lex Luthor's plot. Her testimony at Lex's trial was discarded due to her having loved him at the time.

Mar Novu / Monitor

Further information: Mar Novu (Arrowverse)

Mar Novu / The Monitor (portrayed by LaMonica Garrett; main: season 5; guest: season 4) is a Multiversal being who tests different Earths in the multiverse in preparation for an impending "crisis", providing the Book of Destiny to John Deegan, releasing J'onn J'onzz's brother on Earth-38, and retrieving the corpse of Lex Luthor.[40][41]

Andrea Rojas / Acrata

Further information: Acrata

Andrea Rojas (portrayed by Julie Gonzalo as an adult, Alexa Najera as a teenager; seasons 5–6) is the CEO of Obsidian Tech, an old friend of Lena Luthor, a former girlfriend of Russell Rogers, and the new editor-in-chief of Catco Worldwide Media who Kara Danvers and James Olsen dislike.[42] At a young age, Andrea's father Bernardo was having trouble at Obsidian Tech and she enlists Lena to help search the local ruins for the Acrata medallion. When Andrea finds it, she is approached by a male elderly representative of Leviathan who has her take the medallion so that Leviathan can use her services. When the female elderly representative Margot first appears to her, Andrea is told how to activate its abilities as she is sent to kill Governor Harper. Then Andrea persuades Margot to make use of Russel Rogers.

While running Cat Co., Andrea is being investigated by William Dey and his London Times colleagues, suspecting that she is head of an organized crime group. It is revealed that she has connections with Leviathan when Margot visited her stating that Rip Roar is in DEO custody. After the first attempt failed while also revealing to the viewers that she was the one who killed Caroline O'Connor, she turned to Lena for help. Lena provided a diversion for Supergirl so that Acrata can make off with Rip Roar. Acrata raids DEO HQ with the help of two Aurafacian-possessed humans. She is successful in this mission while the two Aurafacian-possessed humans were detained. After giving Lena the medallion, she witnesses Rip Roar getting sniped at the airport. The male elderly representative states that Leviathan still needs her services while Rip Roar has served his purpose. When Andrea states that Lena has the medallion, the male elderly representative states that her powers actually came from the darkness within her. Rama Khan later uses her in a plot to create a supervolcano in National City. This plot was thwarted by Supergirl and Martian Manhunter. Acrata teleports Rama Khan back to Leviathan's headquarters and flees.

Following the Crisis where Earth-Prime is formed, Andrea is talking about Obsidian Tech's lenses when Gamemnae appears in her Gemma Cooper alias. Andrea shows her the lenses as she makes some suggestions about them. During a test on Obsidian Platinum, it failed when Andrea found it simulating an allergy to lobster. Gemma later visits her and advises her to have Obsidian Tech collaborate with LuthorCorp to get passed the errors. Andrea never became an assassin for Leviathan on Earth-Prime, though she still has the Acrata medallion which was seen after Supergirl thwarted Amy Sapphire's revenge on her for firing her virtual reality-addicted husband. When Alex got trapped in virtual reality, Andrea had to walk Kelly through getting Alex out. Afterwards, Andrea spoke to her employee Eve Teschmacher into looking into the bug patches. When Kelly and William visited Andrea about Eve, Andrea states that Eve had a clean slate. She also informs Kelly that if she approaches her without evidence of Obsidian's tampering, she will fire her. When Supergirl enters the Unity Festival, Lex advises Gemma to send one of their assassins to attack Supergirl's physical body. Gemma goes to Andrea and reveals that she is part of Leviathan and was the one who rescued her from the cave. She has an assignment for Andrea in exchange that nothing bad happens to Obsidian Tech and her father. Becoming Acrata, she tracks down Supergirl's body and prepares to use the Kryptonite on her. Acrata is talked down by Lena.

In season six, Kelly finds a saddened Andrea who states that her father has blamed her for what happened during the Unity Festival. Becoming Acrata, Andrea secretly visits Bernardo's home and buys her share of CatCo from him. Andrea announces this to the CatCo staff while also mentioning the news of Lex Luthor's arrest. When she as Acrata obtained Lex's journal about his love for Nyxlygsptlnz, she published it in William's name, which led to him getting shot and killed by Lex in revenge. After speaking with Lena on if she was a monster, Acrata later assists the Super Friends in fighting Lex and Nyxlygsptlnz. Afterwards, Andrea establishes a journalism award and a foundation named after William. Cat Grant later bought back CatCo from her.

William Dey

William Dey (portrayed by Staz Nair; seasons 5–6) is the new star reporter at Catco Worldwide Media.[42] He secretly remains under the London Times newspapers' employ and undercover to investigates Andrea Rojas, suspecting that she is a criminal. When the lenses from Obsidian Tech came out, William only confronted a simulation of Andrea while covering up what he was using the lenses for to the real Andrea. William was later shocked when his old college friend Russell Rogers was turned into Rip Roar.

Following the Crisis where Earth-Prime is formed, a new William Dey attended the Man of Tomorrow event that the Luthor family was hosting. In a private talk with Kara, William claimed that Russell was killed when the Luthor family took over Russell's company. During his investigation, William arrived at a warehouse and was unable to find any proof of Lex's latest plot due to Margot Morrison using a cloaking wall to hide herself and those who got trapped in virtual reality. He was present when Supergirl and Martian Manhunter arrived at the location where they found that Lex had saved everyone there and killed Margot. William and Kelly later spoke to Andrea about Eve only to be told that Eve has a clean slate. William later secretly followed Eve only to end up black-bagged. Eve learns that William was investigating her connection to Lex. She manages to shoot him before getting subdued by Lena. Supergirl cauterizes the wound and has him taken to the hospital.

In season six, William is recuperating with his right arm in a sling at the time when Andrea mentions that she bought her share of CatCo from her father. He later tails the Superfriends to raise CatCo's readers. Then he enters an unspecified partnership with Otis Graves. Near the end of the season, Andrea breaks into Lex's mansion, steals his personal journals and publishes a revealing article on them under William's name to increase CatCo's viewership. This leads to William calling her out and dressing her down for her unethical actions and seeming care for no one but herself and her own interests. Later, William is fatally shot by Lex in the Superfriends HQ as revenge for the article, but manages to send a last video to Andrea regarding Lex's true nature before succumbing to his wounds. The Superfriends later hold a funeral for him and Andrea makes amends for his death by setting up a journalism award and a foundation in his honor.


Further information: Ms. Gsptlsnz

Nyxlygsptlnz, nicknamed Nyxly (portrayed by Peta Sergeant; season 6), is a 5th Dimension Imp whom Kara meets in the Phantom Zone.[43] She saves her from Scar by claiming that the Phantoms and the White Martians are coming their way. While mentioning her history with Mister Mxyzptlk, Nyxly states that she was a princess who was banished to the Phantom Zone by her father King Brpxz who also killed her brother Bryxly. While having a bracelet that negates her abilities, Nyxly managed to sneak a 5th Dimensional Orb with her. To help Kara rescue Zor-El, Nyxly breaks her bracelets at the cost of her 5th Dimensional Orb. With her powers regained, Nyxly heals Kara's leg and helps to rescue Zor-El. When a mirror that would serve as one of the exits to the Phantom Zone is found, Kara discovered that Nyxly has her own plans with the mirror where she plans to go to Earth to get back to the 5th Dimension and get revenge on her father. During the struggle, Kara accidentally sets off the self-destruct sequence and sacrifices the mirror to keep Nyxly from going through. Nyxly survived the building's explosion and secretly stows away on top of the Tower following Supergirl and Zor-El's rescue. After allowing Nia's mother to be revived for a day, Nyxly ran into the hunter Mitch and collaborated with him in a plot to trap Supergirl by having Dr. Desmond Raab build a cryo-bomb. When it was destroyed by Supergirl, it was revealed to have helped Nyxly regain her powers. Using her powers, Nyxly incapacitates Supergirl's legs in ice and destroys the Ormfell Building. With Supergirl vulnerable to magic, she calls for Mxyzptlk. Nyxly does different attacks to draw out Mxyzptlk until he surrenders to her. Nyxly then uses an orb to absorb Mxyzptlk where she uses the orb to find the totems she needs. After obtaining some of the Totems and being aided by an A.I. modeled after her that was placed in a Lexosuit she received, she is then visited by Lex Luthor who gave her the Lexosuit with the A.I. made from a future Nyxly. Lex aids her in hunting for the remaining totems. Though this becomes stained due to Lillian and their competition once the AllStone is put together and split into three pieces. When Lex Luthor opens a portal to the Phantom Zone to summon the Phantoms, Lex and Nyxly are dragged in by the Phantoms due to their hubris.

Recurring characters

This is a list of recurring actors and the characters they portrayed in multiple episodes, which were significant roles. The characters are listed by the order in which they first appeared.

Introduced in season one


Main article: Zor-El

Zor-El (portrayed by Robert Gant in season one and two, Jason Behr in season six) is Kara's biological father who sacrificed himself to see that Argo City was unharmed by Krypton's destruction.[13]

In season six sometime after the Crisis, it was revealed that Zor-El survived the destruction of Krypton by sending himself into the Phantom Zone. He reunited with Kara and kept her safe from the Phantom Zone Phantoms as they work to find a way out of the Phantom Zone. When hitching a ride on a Phantom with Kara, Zor-El is kidnapped by Scar and his men where they plan to feed him to the creature in Shadow Lake. He is saved by Supergirl and Nyxly. When the Super Friends use a sun bomb to help save Supergirl, she flies Zor-El to the Tower as it leaves the Phantom Zone. When on Earth, he starts to develop his Kryptonian abilities and poses as Kara's uncle Archie from Midway City. Zor-El takes note of the garbage in the ocean and compares it with how Krypton's oceans were destroyed before Krypton's destruction. He modifies a Kelex from the Fortress of Solitude to help clean up the oceans by turning the garbage into energy that it can absorb. Something goes wrong and Zor-El helped to create a virus to shut it down before it can explode. Zor-El later states to Kara that it's time for him to reunite with Alura as Brainiac 5 prepares to take him to Argo City.

Eliza Danvers

Eliza Danvers (portrayed by Helen Slater[44]) is a scientist and Kara's foster mother, who is more protective of Kara than she is of her biological daughter Alex. She is the one to tell Kara and Alex about her husband working with the DEO to protect Kara and warns them about Hank as he is not to be trusted because of his involvement in Jeremiah's death. After the revelation that J'onn J'onzz has secretly taken over leadership of the DEO in Henshaw's place, Eliza occasionally offers her scientific expertise for the organization when needed.

In season five sometime after the Crisis, Eliza contacted Kara and Alex that Jeremiah has died. She later presided over his funeral.

In season six, Eliza helps out in the fight against the fight against Lex Luthor and Nyxlygsptlnz where she shot three owl manifestations that targeted Dreamer. Afterwards, she attended Alex and Kelly's wedding.

Slater previously portrayed Supergirl in the 1984 film[45][46] and Lara-El in the television series Smallville.

Jeremiah Danvers

Jeremiah Danvers (portrayed by Dean Cain;[45] seasons 1–2) is a scientist, an old friend of Superman, and Alex's biological father and Kara's foster father, who offered his services to the DEO by working with Hank to protect Kara ever since she was given to him by Superman. Ten years earlier and under mysterious circumstances, he and Hank went to South America to capture J'onn J'onzz, with whom Jeremiah became friends after the alien saved him. When Hank caught up and saw them shake hands, he tried to kill J'onn, leading to a fight between Jeremiah and Hank while trying to keep Hank from killing J'onzz; Hank then stabbed Jeremiah, who later killed him in self-defense, collapsed on the ground, and was left for dead. He asked J'onzz to watch over his daughters.[18] In the present, J'onn learns that Jeremiah not only survived the attack, but is also alive and being held at Project Cadmus.

In season two, Jeremiah is rescued and attempts to reintegrate into his family and the DEO, but eventually betrays them to Cadmus. It is revealed that he made an uneasy alliance with Lillian Luthor to protect Alex and Kara from her, and that he has been cybernetically enhanced like Hank Henshaw. He later turns against Cadmus.

In season five sometime after the Crisis, Eliza mentions to Kara and Alex that Jeremiah has died of cardiac arrest while helping aliens in South America. After some reluctancies, Alex was finally able to attend his funeral in Midvale. It was revealed that Lex Luthor tricked Eve Teschmacher into killing him by lying that Jeremiah was the Leviathan agent who killed her father. Lex retained footage of the murder to ensure Eve's loyalty to him and keep her from going to Supergirl for help.

Cain previously portrayed Superman in Lois & Clark: The New Adventures of Superman.[44][45][46]


Vasquez (portrayed by Briana Venskus; seasons 1–3) is a DEO agent who often works closely with Hank (J'onn), Alex, and Kara/Supergirl and is responsible for coordinating/relaying information on alien attacks or other incidents.

Alura Zor-El

Main article: Alura (DC Comics)

Alura Zor-El (portrayed by Laura Benanti in season one and two, Erica Durance in season three and five) is Kara's biological mother who is the twin sister of Astra In-Ze, a member of Argo City's High Council, and survived Krypton's explosion due to a failsafe around the city built by Zor-El. Her guidance (both in flashbacks, and as a holographic artificial intelligence) proves invaluable in Kara's journey.[47] Alura was originally portrayed by Benanti, but later replaced by Durance due to prior commitments.[48]

Astra In-Ze

Astra In-Ze (portrayed by Laura Benanti) is the aunt of Kara and the twin sister of Alura, who is one of the main antagonists of season one's arc, alongside her husband Non. She plots to rule the Earth and targets Kara for revenge upon Alura, who sentenced her to imprisonment at Fort Rozz, though she claims that she wanted to save Krypton and Earth. Attempting to kill J'onn J'onzz in the episode "For the Girl Who Has Everything", Astra is killed by Alex; thus, Non, her husband, seeks revenge on Kara. It is later revealed that Astra and Non created Myriad, a mind control program that is designed for the purpose of saving the environment but can also be used to enslave people, and hence, is the main reason they are sentenced to Fort Rozz for life.[49]

Maxwell Lord

Main article: Maxwell Lord

Maxwell Lord (portrayed by Peter Facinelli[50]) is a tech mogul who is fascinated by Supergirl.[51] Lord deduces that Supergirl has a secret identity and is determined to learn it at any cost, becoming her enemy in the process, eventually using Supergirl's connections to Alex and eavesdropping on the latter. After unleashing Bizarro on Supergirl, Maxwell is arrested by Alex and held by the DEO. The DEO eventually releases him, but warns him never to tell anyone the truth about Supergirl or the DEO; otherwise, they will release enough evidence of his crimes to send him to jail. Maxwell later helps Supergirl in stopping Non's attacks, but he later obtains a supply of Kryptonian power source Omegahedron from Sam Lane.


Main article: Kelex

The Kelex (voiced by an uncredited actor in early seasons, Mark Sussman in season six) are a group of Kryptonian robots that work as assistants to the Kryptonians.

In season six, one Kelex at the Fortress of Solitude was modified by Zor-El to convert all the trash in the ocean into energy to absorb. Zor-El named it Oscar after a garbage can-dwelling creature. Something goes wrong causing it to merge with the garbage and turn into a giant junk monster. It had to take a virus to weaken it. After Brainiac 5 removed the Kelex, Supergirl disposed of the body by throwing it into the sun. Brainiac 5 then returned the Kelex to the Fortress of Solitude.

Barry Allen / Flash

Main article: Barry Allen (Arrowverse)

Barry Allen / Flash (portrayed by Grant Gustin; seasons 1–5) is a crime scene investigator from Central City on Earth-1 who becomes a superhero speedster after being hit by dark-matter infused lightning. Barry accidentally arrives in Supergirl's reality after crossing a dimensional barrier while testing a tachyon accelerator with S.T.A.R. Labs, befriends Kara and Winn, and reveals the existences of the multiverse and metahumans to the former and her allies. The Flash helps Supergirl battle against Livewire and the Silver Banshee in addition to offering her advice and support and providing means for Supergirl's Earth's inhabitants to combat their world's surfacing metahuman threats, and eventually returns to his world with Supergirl's help. In season two, Barry and his fellow heroes from his Earth recruit Kara to their universe to help fight against the Dominators, an armada of alien invaders who attack their world due to their fear of superpowered beings. The DEO eventually establishes an alliance with Earth-1's S.T.A.R. Labs after an encounter with the Music Meister. Kara and the DEO have since accessing S.T.A.R. Labs' technology and occasionally teams with Earth-1's heroes on missions. Gustin was the third Glee alum to appear on the show, after Benoist and Jenner, with Criss going on to be the fourth. Gustin reprises his role from The Flash.[52]


Main article: Non (comics)

Non (portrayed by Chris Vance) is a former scientist in league with the House of El and a brutal Kryptonian military officer who is sinister, powerful, and angry – the antithesis of all things Supergirl stands for and becomes her greatest threat.[53][54][55] Non is one of the main antagonists of season one's arc, along with his wife Astra In-Ze. He is Astra's husband – and hence Kara's uncle – and second-in-command. Non seeks revenge on Kara for Astra's death. However, despite his marriage to Astra, Non is not a faithful husband; he had an affair with Indigo at some point prior to being sentenced to the Phantom Zone.

Lucy Lane

Main article: Lucy Lane

Lucy Lane (portrayed by Jenna Dewan) is the younger sister of Lois Lane and James' ex-fiancée.[56][57] In addition to her duties as trial counsel (prosecutor) for the Judge Advocate General's Corps, United States Army (where she held the rank of major), Lucy is a legal attaché on her father's staff, though she resigns her commission to remain in National City.[58] She later accepts a job as general counsel for CatCo. In the same episode, it is mentioned that she graduated from the United States Military Academy and earned her J.D./M.B.A. from Harvard Law School.[59] After breaking up with James again, Lucy leaves CatCo and returns to the military. She works with Colonel Jim Harper on the investigation into J'onn J'onzz. However, when Kara reveals to her that she is Supergirl, she helps rescue Hank and Alex, and is later named acting director of the DEO[60] By the end of season one, Lucy officially becomes a co-director with J'onn J'onzz after he returns to the DEO

Leslie Willis / Livewire

Main article: Livewire (DC Comics)

Leslie Willis (portrayed by Brit Morgan; seasons 1–3) is an abrasive, and funny shock-jock who works for CatCo and becomes as dangerous and shocking as her words following an accident[51][53] in which Supergirl rescues her from a potential helicopter crash during a lightning storm.[61] The rescue backfires when Supergirl gets struck by lightning while pulling Leslie out of the helicopter—electrocuting them both and giving Leslie electrical powers. She is captured and given over to the DEO. However, she is later broken out of prison by Siobhan Smythe/Silver Banshee, who wants to team up with her to get revenge on Cat. Along with her new partner, she is defeated by Supergirl again, this time with the help of The Flash and the citizens of National City, and is placed in police custody after The Flash adds new features to the National City Police Department on countering and imprisoning metahuman criminals. In season two, she is taken from prison in an attempt to harvest her power; she is saved by Supergirl, who allows her to escape under a temporary truce. She dies during a fight with Reign.

Sam Lane

Main article: Sam Lane (comics)

Sam Lane (portrayed by Glenn Morshower) is a powerful military general and overprotective father to both Lucy and Lois whose arrival in National City stirs up trouble for Supergirl when he enlists her in a dangerous government initiative.[62]

Kal-El / Clark Kent / Superman

Main article: Clark Kent (Superman & Lois) § Earth-38

Clark Kent / Superman (portrayed by an uncredited Kevin Caliber in season one, Tyler Hoechlin from season two onward) is a superhero from the planet Krypton (born Kal-El) who defends Metropolis. He was only shown briefly during season one having found Kara and gave her to his old friend Jeremiah Danvers to raise her. Superman only communicated via chat messaging.[63] Daniel DiMaggio appears as an alternate, teenage version of the character in a dream sequence.[64][65] Near the end of season one, Superman proves vulnerable to Myriad's mind control, as Maxwell Lord put it "watched Sesame Street and went to preschool; nurture over nature". This leaves him unconscious in the DEO until the last episode, where he wonders if the headache he is having is what a hangover is like.

He comes to National City at the beginning of season two to help Kara out in dealing with Project Cadmus and Metallo before leaving to return to Metropolis, vowing to return if Kara needs it. At the end of season two, Rhea uses silver Kryptonite to compel him to fight Kara, who is forced to knock him out. After he recovers from the Kryptonite, he helps Kara repel Rhea's invasion fleet.

In season four after meeting Barry Allen and Oliver Queen in the "Elseworlds" crossover event- during which he assists in destroying the rogue A.M.A.Z.O. robot and defeating Dr. John Deegan after Deegan tries to turn himself into a black-suited Superman to be a "hero" – Clark reveals that he and Lois are relocating to Argo City after learning that Lois is pregnant to ensure her safety during the pregnancy, Clark assuring Kara that he has faith that she can cope with her current challenges on Earth despite the rising anti-alien sentiment. Clark later proposes to Lois while on the way to Argo City. Lex later planned to use Claymore on Argo to destroy Superman only for Martian Manhunter and Dreamer to overload its core.

In season five, Superman and Lois Lane helped in the Crisis. When Earth-Prime is formed, Superman helped in the final battle against Anti-Monitor. In addition, he now has two children.

Siobhan Smythe / Silver Banshee

Main article: Silver Banshee

Siobhan Smythe (portrayed by Italia Ricci[66]) is a new hire at CatCo Worldwide Media who clashes with Kara and later Supergirl. She briefly becomes Cat's top assistant, and has her sights set on becoming a media mogul in her own right. She has already attracted the attention of Winn, while discovering that her father had been involved in an affair upon learning he was a member of an Ashley Madison-esque website that is exposed by Indigo. When she sees a video of Supergirl (under the influence of Red Kryptonite) letting an alien get away, she tries to pitch it to Cat, and then tries to sell it to Cat's former employer, Daily Planet. When Cat finds this out, she fires Siobhan for her disloyalty. After another attempt to gain revenge on Kara fizzles, she discovers that she has the power to sonic scream.[60] Upon learning that the women of her family are taken over by a banshee's spirit whenever they are wronged, Siobhan decides to get even with Cat and Kara by teaming up with Livewire; in the process, she embraces her curse for the powers it provides and becomes Silver Banshee. In addition to her hypersonic ability, the Silver Banshee's strength and endurance are on par with Supergirl's after her powers increased and is implied that she would have other abilities. Despite hating Kara, Siobhan chooses not to kill her, knowing that she would break her curse and lose her powers if she does until someone wronged her once more. Ironically, not knowing that Supergirl is Kara, and if the Silver Banshee kills the superhero, she would become a regular human again. She is later defeated by Supergirl and the Flash, along with Livewire, and both she and her partner are imprisoned in metahuman cells provided by the Flash.


Main article: Brainiac 8

Indigo (portrayed by Laura Vandervoort) is a living computer, formerly known as Brainiac 8,[67] sentenced to Fort Rozz for turning against the people of Krypton, but now unstoppable on Earth. It is revealed that she was the one who hijacked Kara's pod and connected both the pod and Fort Rozz that brought them to Earth, and also that she despises Astra. After Kara and Winn defeat her and she disintegrates, Non recreates Indigo to do his bidding. Indigo is permanently destroyed by J'onn J'onzz during Non's attempt to conquer Earth.

Vandervoort previously portrayed Supergirl in the series Smallville.[68]

Introduced in season two

Lex Luthor

Main article: Lex Luthor (Arrowverse)

Lex Luthor (portrayed by Jon Cryer as an adult,;[69] seasons 4–6; Aidan Fink as a boy;[70] season 2) is Lillian's son and Lena's half-brother. He is the main antagonist in the series. Years ago, Lex created a red sky over Metropolis to take down Superman but was caught and sent to prison. In the present, it is revealed that Lex secretly watches and orchestrates a series of events including Ben Lockwood's leadership to Children of Liberty and Red Daughter's alignment with the rogue nation Kasnia. He is later freed from prison due to a disease. Lena decides to help Lex by working on a cure. Lena exposes Lex of cutting off the backup power which he agrees to he did and that he sent a thought-to-be-dead Otis to shoot James so that Lena would have no choice but to test the cure (a Harun-El serum) on him. It is also revealed that Eve was working with Lex and Otis. Lex puts Lena to sleep leaving Eve to look after her. Lex escapes with Otis, but is stopped by Supergirl. Lex later develops metahuman abilities similar to Kryptonians' in strength and invulnerability after his Harun-El injection. After teleporting to safety when his armor was destroyed by Supergirl on Shelly Island, Lex is hit with the Harun-El antidote and is met by Lena. Before dying of an open wound, Lex spitefully reveals to Lena that Kara is Supergirl and that Alex and those who worked with her kept the information from her. Lex's corpse is later retrieved by the Monitor.

In season five, Lex has been revived so he can help the Monitor avert an impending Crisis. Lex agrees, in exchange for the Monitor's help with a favor involving Lena. After helping to avert said Crisis and assisting in rebooting the multiverse, Lex regained control of LuthorCorp, became the head of the DEO (now a subsidiary of his company), as well as a hero in the eyes of most of the newly created Earth-Prime's people. The deal he made with the Monitor was that Lena would maintain her memories and be his Co-CEO. In addition, Lillian is now the head of the Luthor Foundation. To win Lena over, Lex used a truth-inducing organism on his arm. At a Man of Tomorrow event held by the Luthor family, William Dey privately talked to Kara voicing his suspicion that they did away with Russell Rogers when they bought out his company. Brainiac 5 later visited him about Leviathan as he shows him a picture of a possible doppelganger that resembles Winn. Lex Luthor visits Gamemnae in her alias of Gemma Cooper and persuades her to arrange a collaboration between LuthorCorp and Obsidian Tech. After Brainiac 5 becomes the new Director of the DEO following Alex's resignation, he gives Lex the information he needs from the alternate Toyman's A.I. hacking. Lex then tracks down Gemma Cooper and offers a partnership between LuthorCorp and Obsidian Tech. From day one of Earth-Prime, Lex had manipulated Eve Teschmacher into being his inside person in Leviathan where he had her orchestrate the events caused by Amy Sapphire and Richard Bates as well as tricking her into killing Jeremiah Danvers. While Supergirl was preventing a Sun-Eater released by a Morae on Leviathan's side from eating the Sun, Lex went to the scene of where those who were trapped in virtual reality were being held and freed them while killing Margot. Gamemnae confronted Lex about his actions and he states that she should focus her anger towards their mutual enemy Supergirl. Later that night, Lex revealed to Eve that the people he had protecting her mother will dispose of her should she go against him. He also has the footage of Eve killing Jeremiah which he advises her not be on the other side of Supergirl's eye beams. When Eve states that he is worse than Leviathan, Lex states that he is better than Leviathan. After a talk with his mother, Lex uses Lena's transportation watch to head to the Fortress of Solitude. Lex visited Lena at Stryker's Island where her Non Nocere project malfunctioned. After the incident was thwarted, Lex noted that her project would fail anyway causing Lena to see that Kara was right about him. After getting a call from Gamemnae that Rama Khan succeeded in his mission to obtain the Kryptonite from the DEO, Lex informs Brainy that they now have access to Leviathan's ship. When he enters the ship, Lex is given a special pin by Gemma to keep him safe from the ship's defenses. The two of them begin their plot involving the Unity Festival. When Supergirl enters it, Lex advises Gemma to send one of Leviathan's assassins after Supergirl's physical body to appease whoever she answers to. After Brainiac 5 enters the code that leads to him bottling Rama Khan, Tezumak, and Sela, Gemma briefly shuts down causing Lex to go after Brainiac 5. He finds a weakened Brainiac 5 on Leviathan's ship and claims the bottle containing Rama Khan, Tezumak, and Sela. After getting away, he gives the bottle to Lillian to begin their next plot.

In season six, Lex Luthor goes a head with his next phase of his plan by having Lillian copying the powers of the Leviathan members into him and beginning a broadcast that would harm those that don't have Obsidian Platinum lenses. During the fight at the Fortress of Solitude, Lex Luthor was hit by a fragment from Jarhanpur yet managed to use the Phantom Zone Projector to send Supergirl into the Phantom Zone. While incarcerated at National City Prison, Lex was visited by Lillian who stated that she told him so. Lena then arrives and uses the Myriad to erase their memories of Supergirl's identity from their minds. After being found not guilty due to him discrediting most of the witnesses for the prosecution, Lex and Lena fight for control of LuthorCorp. Owing to Lex having Otis sabotage the new children's wing at the hospital and noting that killing him won't change anything, Lena told Lex that she is leaving LuthorCorp. Lex Luthor later visited the future where he befriended and fell in love with a future Nyxlygsptlnz. She preserved the future Nyxly in A.I. form and placed it in a Lexosuit that he sent to the present Nyxly. After the Nyxly A.I. helped Nyxly obtain the Dream Totem, Lex appeared to her and assisted in obtaining the remaining Totems. Though this became strained due to Lillian. When Lex Luthor opens a portal to the Phantom Zone to summon some Phantoms to attack the Super Friends, they instead drag Lex and Nyxly into the Phantom Zone upon detecting his hubris.

Cryer previously portrayed Lex's nephew Lenny in Superman IV: The Quest for Peace.

Lillian Luthor

Main article: Lillian Luthor

Lillian Luthor (portrayed by Brenda Strong; seasons 2–6) is the leader of Project Cadmus, Lex Luthor's mother, and Lena Luthor's step-mother,[71][72] and is the primary antagonist of season two's arc. She and her team were the ones responsible for turning John Corben and Hank Henshaw into Metallo and Cyborg Superman respectively. After Metallo had an encounter with Supergirl and Superman, Project Cadmus eventually reveals that it has gone rogue, and is waging war against all alien life on Earth. Lillian is arrested after a failed attempt to wipe out all aliens in National City with a Kryptonian bioweapon but is later freed by Metallo. Lillian is estranged from Lena since her husband favors her over their son, and blamed Lena's mother for the deterioration of her relationship with Lionel. During the Daxamite invasion, she briefly allies with Kara to rescue Mon-El and Lena from Rhea, and helps Lena and Winn prepare a weapon that will disperse lead in Earth's atmosphere to drive away the Daxamites. In season three episode, "For Good", Lillian later targets Morgan Edge after he poisoned Lena which leads to both of them being defeated by Supergirl and Jimmy Olsen and arrested by the authorities.

In season four, Lena has her mother placed on work release when it came to developing the antidote for the Harun-El. Lillian and Lena are later invited to the White House by Lex to watch the Claymore satellite destroy Argo.

In season five where the aftermath of the Crisis has created Earth-Prime, Lena finds that her mother is now the head of the Luthor Foundation. Lex later talks to Lillian about his plans involving Leviathan. After swiping the bottle containing Rama Khan, Tezumak, and Sela from a weakened Brainiac 5, Lex meets up with Lilian and gives her the bottle so that they can begin his next plot.

In season six, Lillian copied the abilities of the Leviathan operatives into Lex and claimed that his plan won't work. She and Otis later ambushed Alex and Dreamer during Lex's broadcast and fled when the satellites were destroyed. Lillian visited Lex in prison and gave him her "I told you so" comment. Lena then appears and uses Myriad to erase their memories of Supergirl's identity. During the final battle against Lex and Nyxly, Lillian is fatally wounded by Nyxly. Before dying in Lena's care, Lillian admitted that she knew about Lena's mother.

Snapper Carr

Main article: Snapper Carr

Snapper Carr (portrayed by Ian Gomez) is a newsman hired by Cat Grant to be the editor-in-chief of CatCo Magazine.[73] A hard-nosed old-school newspaper reporter/editor, Carr is initially hostile to Kara when Cat assigns her to become a reporter under him, and also towards Olsen when James takes over Cat's job.

Olivia Marsdin

Olivia Marsdin (portrayed by Lynda Carter; seasons 2–4) was the President of the United States.[74][75] It is revealed that she is a Durlan,[76] after she signs a bill granting amnesty for aliens living incognito in the U.S., prior to which she survives two assassination attempts. A benevolent alien refugee who escaped her home planet Durla as a child after an invasion, Olivia seeks to protect both other refugees and people of America from alien attacks and other threats due to her experience, and therefore she hates invaders.

In season four, Mercy and Otis Graves publicly expose Olivia as an alien which causes her to resign. This enables Vice-president Baker to be sworn in as the new President of the United States.

Carter previously portrayed the eponymous character of the 1970s Wonder Woman television series.

M'gann M'orzz / Miss Martian

Main article: Miss Martian

M'gann M'orzz (portrayed by Sharon Leal; seasons 2-3 & 5–6) is a guilt-ridden White Martian who disguises herself as a Green Martian, forsaking her race's heritage. She tends bar at an underground bar for aliens in National City.[27] M'gann gradually earns J'onn J'onzz's trust and friendship after he discovers her true identity, and learns that she is benign and an outcast from her own people. When J'onn discovers this he places M'gann in a cell where she later has a physic attack. J'onn saves her by mentally connecting. In the next episode M'gann meets her former mate, and assists J'onn and the DEO in capturing him. Despite she and J'onn realizing they have romantic feelings for each other, M'gann chooses to return to Mars to search for other White Martians who are also against their race's savage legacy in hopes of ending it. M'gann later return to Earth in the season 2 finale with other benevolent White Martians to help J'onn repel the Daximite invasion. She reveals to J'onn that there is a secret party within the White Martians' society who seeks to overthrow tyranny. It is also when she and J'onn first kiss.

In season three episode three M'gann calls J'onn to Mars to help her and other White Martians save his father.

In season five after reconciling with Malefic, J'onn recommended that he'd hook up with M'gann to arrange for a peace treaty between the Green Martians and the White Martians. When a Morae on Leviathan's side releases a Sun-Eater from the Fortress of Solitude, M'gann shows up where she informs Supergirl and her allies about Malefic's technology detecting it. She then helps J'onn and Supergirl throw a capsule into the Sun-Eater's core to shrink it back to its harmless state. She even helped in the fight against Rama Khan at the DEO headquarters. M'gann later helps J'onn, Alex, and Dreamer in fighting Rama Khan, Tezumak, and Sela.

In season six, M'gann assisted in destroying the satellites used in Lex's broadcast and then assisted in the fight against Lex Luthor. When he was defeated, she and J'onn took Lex Luthor to the authorities. Then M'gann went to go look for someone who can help locate the area of the Phantom Zone where Supergirl was sent to. M'gann was later wounded by a Phantom as J'onn uses a piece of her soul he has in him to prevent her from changing into a Phantom. During the wedding of Alex and Kelly, Toyman hinted to J'onn that he and M'gann will have a son.

Lyra Strayd

Lyra Strayd (portrayed by Tamzin Merchant) is an alien from the planet Starhaven who takes a romantic interest in Winn.[77]


Demos (portrayed by Curtis Lum) is a member of the DEO He later sacrifices his life in an attempt to keep Selena's followers from getting the corpses of Purity and Pestilence.


Rhea (portrayed by Teri Hatcher) is the Queen of Daxam and Mon-El's mother. She and Lar Gand journey to Earth in search of Mon-El. She is utterly determined to take Mon-El back to Daxam with her.[78] She tricks Lena Luthor into helping her build a transporter to bring a Daxamite fleet to conquer Earth. Rhea fights Kara in a one-on-one duel for the fate of Earth, but refuses to halt the invasion despite losing, and is killed when Kara activates a weapon that laces Earth's atmosphere with lead dust. Prior to her death, Mon-El reveals to his mother that he knows that she killed his father all along due to his awareness of her immorality. Thus, he will grieve over his father but not her.

Hatcher previously portrayed Lois Lane in Lois & Clark: The New Adventures of Superman[79] and Ella Lane in Smallville.

Lar Gand

Main article: Lar Gand

Lar Gand (portrayed by Kevin Sorbo) is the King of Daxam and Mon-El's father. He and Rhea journey to Earth in search of Mon-El. After he agrees to let his son remain on Earth, he is killed by Rhea, who views his decision as a betrayal.[80][78] Despite Rhea lying to her son that Lar killed himself, Mon-El knows that his father was not suicidal and realizes that his mother murdered him.

Introduced in season three

Ruby Arias

Ruby Arias (portrayed by Emma Tremblay) is Samantha's daughter who is a smart, independently minded child fascinated by Supergirl.[24]

In season four, it is revealed that Ruby and her mother relocated to Metropolis.

Morgan Edge

Main article: Morgan Edge

Morgan Edge (portrayed by Adrian Pasdar) is an amoral real estate developer who is at odds with Kara and Lena.[24] Edge has led a successful restoration of National City following the Daxamite invasion. He also wants to tear down the city's waterfront slum and replace it with high rise buildings, and he secretly employs the tech-mercenary Bloodsport to destroy the area with a cloaked submarine. The attack is stopped by Supergirl, although there is no evidence proving Edge's involvement. Edge also tries to buy Catco out from under Cat Grant (who has become White House Press Secretary) to silence his critics. However, Lena Luthor buys the company before Edge does. Later on, a company of his poisons kids in swimming pools making the doctors think it is lead poisoning. Edge says it is a result of Lena's solution to get rid of the Daximites. After an attempt on Lena's life and killing his accomplice, Morgan Edge used a loophole, during his confrontation with Supergirl, stating that the man he killed had used him to frame Lena Luthor and she did National City a favour. Morgan Edge and Lena Luthor still have tension against each other. Lilian Luthor targets Morgan Edge for poisoning Lena. While Supergirl defeats Lilian (who was wearing a version of her son's Lexosuit in battle), Winn Schott Jr. and Jimmy Olsen defeat Morgan Edge. As both Lilian and Morgan are arrested by the authorities, Morgan shouts that they have nothing on him.

M'yrnn J'onzz

M'yrnn J'onzz (portrayed by Carl Lumbly) is J'onn J'onzz's father and another Green Martian survivor who is a pacifist religious leader on Mars. He comes to Earth to live with J'onn, and begins to suffer from a form of dementia which causes him to lose control of his mental powers.[24] He dies and passes on his wisdom to J'onn. From time to time, he appears in J'onn's visions to offer guidance and support like in season five where J'onn asked him about Malefic and what to do about him.

Lumbly has previously voiced J'onn J'onzz in various animated works.

Thomas Coville

Thomas Coville (portrayed by Chad Lowe) is the leader of a religious group that worships Supergirl. Coville later had the religious group worship the Worldkillers. He is later killed by Selena after he served his purpose.

In season five, Mxyzptlk showed Kara a possible reality where Kara revealed her secret to Lena from the start. This resulted in Agent Liberty and Otis abducting Thomas and Lena to provoke Supergirl into revealing her true identity. Supergirl does so and rescues Thoms and Lena at the cost of the Children of Liberty targeting her loved ones.

Imra Ardeen / Saturn Girl

Main article: Saturn Girl

Imra Ardeen (portrayed by Amy Jackson) is a hero born on Saturn's moon Titan who has telekinetic abilities.[81] She is Mon-El's wife and Kara's romantic rival.

Julia Freeman / Purity

Julia Freeman / Purity (portrayed by Krys Marshall) is a musician residing near National City who, like Reign and Pestilence, is a Worldkiller.[82] She and Pestilence later take each other out in a mutual kill and have their powers absorbed by Reign.

Grace Parker / Pestilence

Grace Parker / Pestilence (portrayed by Angela Zhou) is a doctor in National City who, like Reign and Purty, is a Worldkiller. However, unlike them, Parker is sociopathic and embraces her Worldkiller alter-ego, therefore her personas accept each other as one. She and Purity later take each other out in a mutual kill and have their powers absorbed by Reign.


Selena (portrayed by Anjali Jay) is an evil Kryptonian priestess and one of the main antagonists of season three's arc, who originally appears as a holographic mentor to the Worldkillers and a member of the Worldkiller Coven. Her coven is responsible for creating Reign and other Worldkillers and she personally refers to her as her daughter, therefore revealing that Selena is Reign's biological mother. It is later revealed she survived Krypton's destruction and is a member of Argo City's High Council. Selena schemes to perform a ritual that will terraform Earth into a Krypton-like planet upon studying the prophecy from the Book of Rao. Selena and her sisters come on Earth to resurrect Reign so they can terraform Earth, but they were stopped after killing Reign from Supergirl and Samantha Arias and were taken to Argo City for trial.

In season five, a doppelganger of Selena and her followers appeared in Al's Bar alongside their Brainiac 5. To free their bottled Earth, the evil Brainiac 5 and Selena worked to free it not knowing that it would destroy the planet. This plan was thwarted by Supergirl, Dreamer, and Brainiac 5 enabling the doppelgangers to return to their bottled Earth.

In seasons six, a hologram of Selena helped out the Super Friends when looking for one of the Totems. She also figured out that Lena's mother was a witch.

Introduced in season four

Al Crane

Al Crane (portrayed by Keith Dallas) is the owner of Al's Dive Bar.

In season five, Al's Dive Bar is affected when inhabitants from a bottled Earth start appearing their including Al's counterpart. The doppelgangers were returned to their Earth. Al later enlisted Alex and J'onn to find his brother Trevor who has not returned from the hotel where he was doing Obsidian Tech's virtual experience in Virtual Vegas.

In season six, Al allows Kelly to hold a bachelorette party for her and Alex. Following the defeat of Lex Luthor and Nyxlygsptlnz, he was later present at their wedding.

Mercy Graves

Main article: Mercy Graves

Mercy Graves (portrayed by Rhona Mitra)[83] is a former Project Cadmus agent alongside her brother Otis Graves. Similar to her Superman: The Animated Series counterpart, Mercy was also head of security for what was then known as Luthor-Corp under Lex Luthor's reign; she resigned from her post due to her boss's obsession with Superman, feeling he wasn't seeing the bigger picture. When Lillian Luthor was arrested, she and Otis began working with Agent Liberty and the Children of Liberty. Both of them were seemingly killed by a Hellgrammite. While Mercy remains dead, Otis reappears in the employ of Lex Luthor.

Otis Graves

Main article: Otis (DC Comics)

Otis Graves (portrayed by Robert Baker)[83] is the brother of Mercy Graves who is loosely based on Otis from the 1978 film. Unlike his more professional sister, Otis has a more childish, sadistic streak as demonstrated when he tortures Dr. Rohan Vose for fun, to Mercy's disapproval. When Lillian Luthor is arrested, he and Mercy begin working with Agent Liberty and the Children of Liberty. Both of them are killed by a Hellgrammite.

Otis turns up alive, having been resurrected by Eve Teschmacher. When Supergirl and Lena Luthor find information in Lex Luthor's cell, Otis is told to go into a location and stand there as Otis explodes. Lex then has Otis put back together. Ben later visits Otis where he unknowingly tells him of Lex Luthor's plot to look like he reformed. This causes Ben to kill Otis.

In season five, Mxyzptlk shows Kara a possible reality where she reveals her identity to Lena from the start. This leads to Otis and Agent Liberty abducting Lena Luthor and Thomas Coville to coerce Supergirl into revealing her identity.

In season six, sometime after the Crisis, Otis turns up alive and is seen assisting Lillian in attacking Alex and Brainiac 5. When Lex Luthor's broadcast was thwarted upon the satellites being destroyed, Otis and Lillian got away. Lex later sent Otis to sabotage the new wing at the children's hospital that Lena established. He even orchestrated Otis to meet with William Dey.


Reiff (portrayed by Donna Benedicto) is a DEO agent.

Raymond Jensen / Parasite

Main article: Parasite (comics)

Raymond Jensen (portrayed by Anthony Konechny)[84] is a DEO agent that sided with the Children of Liberty. Following the deaths of Mercy and Otis, Agent Liberty subjected Jensen to an experiment that involved placing an Angon alien parasite inside him. When he absorbs the lifeforce of anyone, they become withered. In the case of aliens, he can absorb their abilities.


Mackenzie (portrayed by Jaymee Mak) is a reporter for CatCo Worldwide Media.

Phillip Baker

Phillip "Phil" Baker (portrayed by Bruce Boxleitner)[85] started out as the Vice President of the United States under president Olivia Marsdin. After Marsdin resigns upon the Children of Liberty exposing her as a Durlan, Baker is sworn in as the new president of the United States. He later appointed Lauren Haley to oversee the DEO. Unlike Olivia, Baker is a selfish man who cares more about his approval ratings than the welfare of his country and morality, although he nonetheless opposes the Children of Liberty.

Following the arrests of Agent Liberty and Manchester Black, Baker appeared at DEO headquarters after seeing the news. He ordered Supergirl to reveal her secret identity to regain the trust of a divided and improve his standing, but she refused since it would endanger her loved ones. Baker has Supergirl dismissed from the DEO's services, hoping she will come around. Baker later makes an example of Menagerie and has her incarcerated. He also pardons Ben Lockwood of his crimes on a technicality to improve his poll ratings, putting him at odds with the DEO.

Baker creates a missile launch contingency towards any spaceship that approaches Earth behind the DEO's back despite Supergirl's objections. Following her fight with the Elite, she confronts Baker about the satellite that nearly crashed, which Supergirl was forced to destroy to save everyone. In retaliation, Baker invites Lockwood to the White House and makes him the Director of Alien Affairs. In light of the alien peace march, Baker and Lockwood are left to hold inquiries about the Alien Amnesty Act's fate. When Baker repeals the bill, Red Daughter disguised as Supergirl attacks the White House. Baker promptly declares Supergirl public enemy #1, making it clear he no longer considers aliens citizens. Baker eventually deputizes the Children of Liberty, giving Lockwood free rein to round up every alien in the country.

At some point, Baker installed Kryptonite in his office to protect against further attacks from Red Daughter and Supergirl. Kara Danvers later meets with Baker to present evidence that Lex Luthor is conspiring with Kaznia to attack the US. After confirming that no one else knows of her discovery, Baker takes the evidence and has Kara black-bagged. He is then revealed to have been working with Lex Luthor the whole time in exchange for the presidency. After Lex "kills" Red Daughter on TV, Baker claims that Lex has killed Supergirl, who was the mastermind of the Kaznian attack.

After Kara writes an exposé unveiling Lex's crimes following the battle at Shelly Island, Baker is impeached by Congress, removed from office, and arrested for his colluding with Lex. Vice-president Plastino is sworn in as the acting president until re-elections can be held again, with his first act being the reinstatement of the Alien Amnesty Act.

Brent Spiner was originally cast as Baker,[86] but had to step down due to a family emergency. As a result of this, the role was recast to Bruce Boxleitner.

Lydia Lockwood

Lydia Lockwood (portrayed by Sarah Smyth) is the wife of Ben Lockwood and mother of George Lockwood. Initially opposed to overt prejudice against extraterrestrials, she comes to agree with her husband's anti-alien rhetoric after her father-in-law Peter Lockwood's death. Lydia later learns Ben is "Agent Liberty" following an attack by Manchester Black and becomes a supporter of his, even encouraging George to follow in his father's footsteps. She is killed in the episode "American Dreamer" when an alien invades Ben's home in reprisal for his active participation in alien detentions.

George Lockwood

George Lockwood (portrayed by Graham Verchere) is the son of Ben and Lydia Lockwood. As a teenager living through chaotic circumstances, George was the first to begin parroting his grandfather's xenophobic rhetoric, which only gets worse with his father's indoctrination. He briefly leads the Children of Liberty as a figurehead while his father is in custody, helping with the initial defeat of Menagerie, before Ben is pardoned and retakes command. After finding out that one of his friends is an alien and witnessing firsthand the Children of Liberty harming innocent alien families, George starts to reconsider helping his father. After Lydia's murder, George realizes his father's hatred of aliens has consumed him and lead to his mother's death, causing their relationship to be strained. Following the arrest of Agent Liberty, George sets out to undo his father's work and appears on TV, asking for humans and aliens to cooperate with each other and fight against people like the Children of Liberty who tried to keep them apart.

Manchester Black

Main article: Manchester Black

Manchester Black (portrayed by David Ajala)[37] is a man who fell in love with an Empath from Ikthanol named Fiona Byrne. After she was captured by the Children of Liberty, Manchester worked with Martian Manhunter to find her. When they find a badly-wounded Fiona in Mercy and Otis's van, Manchester had his final moments with a dying Fiona as Martian Manhunter tries to heal her. Following Fiona's death, Manchester went to buy guns to get revenge on those responsible for Fiona's death. After a shootout with some Children of Liberty members, Manchester tortures and later kills a surviving member on the identity of his superior. Manchester proceeded to target Caldwell where he massacred him and the Children of Liberty members with him after getting the information about Ben Lockwood. After holding Lydia Lockwood hostage, Manchester faced off against Ben Lockwood until they were stopped by Supergirl and Nia Nal. Afterward, Manchester and Ben were arrested by the police. He was briefly visited by Martian Manhunter in National City Men's Central Jail before witnessing Ben Lockwood being incarcerated.

Manchester Black later escapes from prison and forms the Elite with Menagerie, Hat, and an unnamed Morae in his plans to get revenge on Ben Lockwood and the Children of Liberty.

Supergirl and Martian Manhunter continue investigating Manchester who confronts the two by using a staff that triggers J'onn's memories to come back. Just before Lena Luthor and Kelly Olsen can use the cure on Jimmy Olsen so that they can see if it can work on a dying Lex Luthor, Manchester causes a power outage across the city. Supergirl and Martian Manhunter confront Manchester again. Martian Manhunter kills Manchester while Kara stops the city from being flooded.

Sarah Walker

Sarah Walker (portrayed by Françoise Robertson) is the White House Chief of Staff under President Phil Baker.

Margot Morrison

Margot Morrison (portrayed by Patti Allan) is an elderly member of Leviathan who works in their middle-management division and has interacted with Eve Teschmacher and Andrea Rojas.

Margo started collecting the bodies of those who got trapped in virtual reality. While Supergirl was busy dealing with the Sun-Eater that was released by a Morae on Leviathan's side, Lex Luthor went into the building where the bodies were held and killed Margot. The press learned of Lex's heroic action, though Gamemnae was not pleased with what happened to Margot.

Malefic J'onzz

Main article: Ma'alefa'ak

Malefic J'onzz (portrayed by Phil LaMarr as an adult, Marcello Guedes as a boy, Domonique Robinson as a teenager) is a Green Martian, the son of M'yrnn J'onzz, and the brother of J'onn J'onzz. He was born with the ability to incept thoughts into other minds, leading M'yrnn to place him in solitary confinement to protect others from him. Malefic was brought to Earth from the Phantom Zone by the Monitor and begins his plans to get revenge on J'onn.

He starts by freeing Midnight from the Phantom Zone. With help from Obsidian Tech, J'onn figures out that Malefic betrayed the Green Martians to the White Martians and used a death curse on some of them which led to Malefic being banished to the Phantom Zone. J'onn then wiped Malefic's existence from the collective memory of the Green Martians to spare M'yrnn the pain of his failure with Malefic,. Lena later does an experiment on Malefic enabling him to assume a human form more close to his father and brother. Taking the advice of M'yrnn, J'onn confronts Malefic. After a brief mind-meld, the brothers reconcile. Malefic helps the DEO prevent Lena from using Myriad at the time when Supergirl and J'onn were fighting Rama Khan. Once that was done, J'onn provides Malefic with one of his cars so that Malefic can return to Mars and work with Miss Martian to end the war between the Green Martians and the White Martians. Malefic being released from the Phantom Zone was all part of a test by the Monitor which J'onn passed. The technology used by Malefic later detected a Sun-Eater heading to the Sun as Miss Martian arrives to help deal with the Sun-Eater.

In season six, J'onn mentioned that he visited Malefic on if he can help locate the area of the Phantom Zone where Lex Luthor sent Supergirl. J'onn mentioned to Alex that he can only remember where Midnight was.

Introduced in season five


Main article: Gamemnae

Gamemnae (portrayed by Cara Buono) is a high-ranking Leviathan member with technokinesis, electrokinesis, and the ability to assume a metallic form who came to Earth from Krypton's sister planet Jarhanpur during the age of the dinosaurs. She is the main antagonist of the season five's arc. She takes charge of Leviathan's operations following Rama Khan's numerous failures where the Anointed One has ordered her to reassign Rama Khan's position to Tezumak. Following the Crisis where Earth-Prime was formed, Gamemnae visited Andrea at Obsidian Tech posing as board of directors member Gemma Cooper. Upon trying the virtual reality lenses, she does make some ideas on how Andrea can improve them. Lex Luthor tracked her down and persuaded her to allow LuthorCorp to help improve the upcoming Obsidian Platinum project. Won over by Lex's advice, Gemma instructs Andrea to have Obsidian Tech collaborate with LuthorCorp. Gemma later has Margot inform the Anointed One that LuthorCorp is in their clutches just as planned. Lex later visits her during the time when Andrea was being targeted and advises that her people stay out of this. After the threat was stopped, Lex states to Gemma that he would like to meet her people. Gamemnae later confronted Lex about his killing of Margot. Lex states that she should focus her anger on their common enemy Supergirl. Gamemnae later gives Rama Khan a second chance by obtaining a specific item while advising him not to fail. Gamemnae as Gemma later contacts Lex to let him know that Rama Khan obtained the Kryptonite that was in the DEO's possession and arranges for Lex to meet her people. When Lex is brought upon their ship, Gamemnae gives him a pin to protect him from the ship's defenses. The two of them begin their Unity Festival where she sends Rama Khan, Tezumak, and Sela to draw out Supergirl. When Supergirl enters the virtual reality, Lex finds her signature in the system and advises Gamemnae to send one of her assassins to take out Supergir's physical body. This causes Gamemnae to reveal her nature to Andrea Rojas as the person who rescued her from the cave and advises her to take out Supergirl to avoid her company collapsing and disappointing her father. After Brainiac 5 enters the code that leads to him bottling Rama Khan, Tezumak, and Sela, Lex finds Gamemnae shutting down as a side effect. She later comes back on while shedding her human disguise.

In season six, Gamemnae's cybernetic form returns to her base and fights Supergirl and her allies while Dreamer rescues Brainiac 5. They were able to destroy Gamemnae by uploading the Anti-Life Equation into the nearest console.

Rama Khan

Main article: Rama Khan

Rama Khan (portrayed by Mitch Pileggi) is a high-ranking Leviathan member with geokinesis who comes to Earth from Krypton's sister planet, Jarhanpur, during the age of the dinosaurs. He was also responsible for the great flood that resulted in the construction of Noah's Ark, the destruction of Pompeii, the Antioch earthquake, the Yellow River flood, and the Bhola cyclone. After leading Leviathan's forces against Supergirl and failing them in a supervolcano-formation plot that involved Acrata's lifeforce, Gamemnae states that she is taking over the operations and reassigning his position to Tezumak. Rama Khan states that this is not over. Sometime after Earth-Prime was formed, Rama Khan was shown in Leviathan's headquarters under house arrest. Gamemnae frees him in exchange that he obtains a specific item while advising him not to fail. Rama Khan causes an earthquake in Oregon until he is defeated by Supergirl, Dreamer, Martian Manhunter, and Miss Martiah as Brainy shows up with the DEO to detain Rama Khan. While being interrogated, Rama Khan and Brainy exchanged Jarhanpurian language before Rama Khan broke free causing the entire building to be evacuated. As he started to bring down the entire building, Rama Khan was able to make off with the Kryptonite in the DEO's possession and give it to Gamemnae. He later fights Martian Manhunter, Miss Martian, Alex, and Dreamer alongside Tezumak and Sela. When Brainiac 5 enters a code into the Leviathan ship, the three of them are teleported to the ship and are bottled by Brainiac 5.

Introduced in season six


Mitch (portrayed by Matt Baram) is Naxim Tork's assistant who is also from Tork's race. He assisted Tork in looking for aliens to add to Tork's menagerie. Years later, Mitch and Tork were freed by Lex Luthor prior to the DEO headquarters' destruction. After he and Tork went their separate ways, Mitch started using an image inducer to make himself look more human. After capturing Nyxly, Mitch was persuaded by her to help capture Supergirl so that he can restart Tork's menagerie and get back together with him. This leads to them abducting Dr. Desmond Raab who makes a cryo-bomb. Mitch was apprehended by Martian Manhunter and Brainiac 5. After escaping, Mitch tried to get Nyxly to help him restart his menagerie to no avail. After Nyxly was rescued by Mitch at the last minute following her absoring Myxzptlk into a crystal, she caved in to Mitch's offer and states that she will grant him his wish if he can help her find the Totem of Courage. After being saved from his self-destructing ship at the last minute, Mitch later sided with the Super Friends duering the final battle against Lex and Nyxly.

Esme Danvers-Olsen

Esme (portrayed by Mila Jones) is a Dryalian girl in Ms. Hochschild's foster home who can copy the abilities of any alien. Following the arrest of Ms. Hochschild, Esme told Kelly about her figuring out that she leaked the footage of Ms. Hochschild's poor treatment of Joey and won't tell anybody that it was her. Alex and Kelly later adopt her and work to help her master her abilities and become a family. Briefly becoming the host of the Totem of Love, Esme was abducted by Lex and Nyxlygsptlnz so that he can get a trade for the remaining Totems from the Super Friends. The AllStone was formed where Esme unknowingly shatters it during the conflict. Following Lex and Nyxly's defeat, Esme was the flower girl at Alex and Kelly's wedding.

Orlando Davis

Orlando Davis (portrayed by Jhaleil Swaby) is a Zeltarian who was incarcerated for petty story robbery when trying to get himself and his brother Joey through hard life. He alongside an unnamed Metalomite, an unnamed Toradine, an unnamed Obscuran, and an unnamed Dynamorph were used by Warden Kote to partake in Intergang's illegal activities that were being covered up as a work release program. Supergirl convinced Orlando and the other prisoners to surrender. He and the other prisoners had their sentence commuted by a judge. Orlando later becomes a councilman and assists the Super Friends in their fight against Lex Luthor and Nyxlygsptlnz.

Guest stars

The following is a supplementary list of guest stars, some recurring, who appear in lesser roles. The characters are listed in the order in which they first appeared.

Introduced in season one

The hosts of The Talk, Sara Gilbert, Julie Chen, Sharon Osbourne, Aisha Tyler, and Sheryl Underwood, cameo as themselves.[105]

Introduced in season two

Introduced in season three

William Katt cameos as the minister who presided over Barry Allen and Iris West's wedding before he was incinerated by Overgirl when Dark Arrow's forces attacked.[125]

Introduced in season four

Introduced in season five

Kate Micucci cameos as a museum tour guide in "Event Horizon." Wil Wheaton and Griffin Newman both cameo in "Crisis on Infinite Earths: Part One" as a doomsday protester and a trivia night host respectively. Alan Ritchson, Curran Walters, and Russell Tovey make uncredited cameos in "Crisis on Infinite Earths: Part One" as Hank Hall / Hawk and Jason Todd / Robin of Earth-9, and Ray Terrill / Ray of Earth-X respectively with the former two appearing through archive footage from the "Trigon" episode. Steph Song cameos as a woman also doing the Supergirl experience.

Introduced in season six

See also


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