Films written together[edit]

• Spiders (2000, screenplay)
• Crocodile (2000, screenplay)
• Panic (2002, screenplay)
• Crocodile 2: Death Swamp (2002, screenplay)
• Derailed (2002, screenplay)
• Killer Rats (2003, screenplay)
• Toolbox Murders (2004)
• Mortuary (2005)
• Mother of Tears (2007)
• Autopsy (2008)
• Night of the Demons (2009)
• Fertile Ground (2011)
• Fractured (2013)^[2]

Anderson, as actor[edit]

• Thirsty (2009, voice of Slushy Cup)
• Fertile Ground (2011, as Headmistress in Photo)
• This Week in Horror (2011, 1 episode, as herself)
• FEARnet's Movies with More Brains (2011, as herself)
• Into the Dark: Exploring the Horror Film (TBA, as herself)

Anderson, as producer[edit]

• Fractured (2013)
• House by the Lake (2015)

Gierasch, as director[edit]

• Autopsy (2008, also scriptwriter)
• Night of the Demons (2009, also screenplay)
• Fertile Ground (2011, also scriptwriter)
• Fractured (2013, also scriptwriter)^[3]
• House by the Lake (2015)^[4]
• Tales of Halloween (2015, segment Trick)^[5]

Gierasch, as actor[edit]

• Martial Law (1999, 1 episode, as Groomsman)
• The Others (2000, 1 episode, as Male Passenger)
• Crocodile (2000, as Lester)
• Beyond Belief: Fact or Fiction (2000, 1 episode)
• Rats (2003, as Jim)
• Toolbox Murders (2004, as Ned Lundy)
• The Hollow (2004, as Dad)
• Mortuary (2005, as Mr. Barstow)
• Roman (2006, as Boyd)
• Room Nine (2007, as Mechanic)
• Red Sands (2009, as Sergeant Ramsey)
• Thirsty (2009, as Conspiracy Host- voice only)
• Fertile Ground (2011, as Otto)
• Big Ass Spider (2011, as Homeless Man)