Michael Angelo Bellisario (born April 7, 1980) is an American actor and the son of scriptwriter and producer Donald P. Bellisario.

Bellisario has mostly had parts in series produced by his father. He played Midshipman Michael "Mikey" Roberts in JAG and also appeared during the first part of NCIS season 3 as Charles "Chip" Sterling. He has also appeared in four episodes of Quantum Leap. In the pilot chapter of JAG, Michael was the boy rowing in the Adriatic in the aperture scene. He was 15 at this time. At the end of S03E01, he makes a pizza delivery to a police station.

Michael has two other siblings who are actors: half-sister Troian Bellisario (Spencer Hastings on Pretty Little Liars and Sarah McGee on NCIS) and stepbrother Sean Murray (Timothy McGee on NCIS).

Filmography

Film

• Bravo (1998) as President's Son-in-law
• Lords of the Underworld (2006) as James Vane
• Kush (2007) as Doctor Belmont
• Beyond the Trophy (2012) Producer
• Pretty Perfect (2014) as Marc
• 211 (2020) as Hyde
• Disturbing the Peace (2020) as Pyro
• Elvis (2020) as Jack

Television

• Quantum Leap (1989–1993) as Little Boy/Billy/Martin Jr.
• JAG (1995–2005) as Midshipman Mike "Mikey" Roberts
• Good Day L.A. (2002) as himself
• VH1 Big in 04 (2004) as Guest/Sketch
• The Girls Next Door (2005) as himself
• NCIS (2005) as Charles "Chip" Sterling
• Sunset Tan (2007) as himself