Mark Costello
Mark began working professionally in Los Angeles back in 1983, when he booked his first job as the "Starter" in, Hot Dog...the Movie". He continued working numerous Co-Star and Guest spots on episodic TV such as, "Murder She Wrote, "Dynasty," Knots Landing," "Who's the Boss," "LA Law," "Full House", "Seventh Heaven," "ER," "N.Y.P.D. Blue," "The West Wing," and "Criminal Minds." Mark also had recurring roles on such television shows as, "Bay City Blues," "JAG", and "First Monday." In 1990, Mark had a three year contract on the FOX youth oriented drama, "Tribes". Mark was very established in the theatre world in Los Angeles, having won Best Actor in a Feature Role from Stage Scene LA, for his performances in,"Finding Fossils" and "John is a Father" at The Road Theatre, as well as "Mom's Dead", at Sacred Fools. Mark appeared with Susan Sullivan and David Selby in Edward Albee's, "A Delicate Balance," at the Odyssey Theatre , which won the LA Drama Critics Circle McCulloh Award for Best Revival. Mark moved to Atlanta in 2017 and has appeared in the films, "Yes, God, Yes," "Our Friend" and the independent feature film, "Charles Sloan", which he played the title role, and which won For B…
Acting
- 2025ParadiseBillionaire #11 ep.
- 2024It's Florida, Man.Joe Jones1 ep.
- 2016Dead SilentWill Hilton1 ep.
- 2011Femme FatalesDetective Mitchum1 ep.
- 1995JAGCommander Onclay3 ep.
- 1991Reasonable DoubtsHanratty2 ep.
- 1990TribesCarl52 ep.
Guest appearances
- 2025ParadiseBillionaire #11 ep.
- 2024It's Florida, Man.Joe Jones1 ep.
- 2020Dead SilentWill Hilton1 ep.
- 2011Femme FatalesDetective Mitchum1 ep.
- 2007Everybody Hates ChrisMr. Richards1 ep.
- 2004The West WingGuest1 ep.
- 1997JAGCommander Onclay, Otis Flannik, Wallace3 ep.
- 19997th HeavenKen1 ep.
- 1998ProfilerTrooper Jasper1 ep.
- 1995ERKevin Halloran1 ep.
- 1985Murder, She WroteGuard, Officer, Sgt. O'Connor3 ep.
- 1991MacGyverCop1 ep.
- 1991Reasonable DoubtsHanratty2 ep.
- 1988Full HouseAnchorman1 ep.
- 1985Knots Landing1 ep.
- 1985Crazy like a FoxNolan1 ep.