Mark Costello
Actor
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 Best Full Length Feature Film at the 2022 Raleigh Film and Arts Festival.
Filmography
| 2025 | Paradise (2025) · as Billionaire #1 |
| 2022 | Adult Swim Yule Log · as Sheriff |
| 2019 | Yes, God, Yes · as Priest |
| 2019 | Our Friend · as Richard |
| 2017 | Doobious Sources · as Blake MorganEn Plex |
| 2016 | Dead Silent · as Will Hilton |
| 2011 | Femme Fatales · as Detective Mitchum |
| 2010 | Turbulent Skies · as Gardner |
| 2008 | Maybe Tomorrow · as Big Cup Customer |
| 2008 | Solar Flare · as Dispatcher HowardEn Plex |
| 2007 | An Accidental ChristmasEn Plex |
| 2005 | Everybody Hates Chris · as Mr. Richards |
| 2005 | Locusts · as Director Rusk |
| 1999 | The West Wing · as Guest |
| 1996 | Profiler · as Trooper Jasper |
| 1996 | 7th Heaven · as Ken |
| 1996 | Zarkorr! The Invader · as George Ray |
| 1995 | JAG · as Commander Onclay |
| 1994 | ER · as Kevin Halloran |
| 1991 | Reasonable Doubts · as Hanratty |
| 1990 | Faith · as Policeman |
| 1990 | Tribes · as Carl |
| 1987 | Full House · as Anchorman |
| 1985 | MacGyver · as Cop |
| 1984 | Crazy Like A Fox · as NolanEn Plex |
| 1984 | Murder, She Wrote · as Officer |
| 1984 | Hollywood Hot Tubs · as Mr. Slate |
| 1984 | Hot Dog... The Movie · as Event StarterEn Plex |
| 1979 | Knots LandingEn Plex |
| 2008 | Maybe Tomorrow · as Cinematographer |