Mark Costello

Acting
St. Louis, Missouri, United States
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.
Known For 34 titles
ER (1994) subtitle poster
ER
1994 TV
as Kevin Halloran
Subtitles
JAG (1995) subtitle poster
JAG
1995 TV
as Otis Flannik
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JAG (1995) subtitle poster
JAG
1995 TV
as Wallace
Subtitles
JAG (1995) subtitle poster
JAG
1995 TV
as Commander Onclay
Subtitles
Murder, She Wrote (1984) subtitle poster
Murder, She Wrote
1984 TV
as Guard
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Murder, She Wrote (1984) subtitle poster
Murder, She Wrote
1984 TV
as Sgt. O'Connor
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Murder, She Wrote (1984) subtitle poster
Murder, She Wrote
1984 TV
as Officer
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The West Wing (1999) subtitle poster
The West Wing
1999 TV
as Guest
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MacGyver (1985) subtitle poster
MacGyver
1985 TV
as Cop
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Paradise (2025) subtitle poster
Paradise
2025 TV
as Billionaire #1
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Knots Landing (1979) subtitle poster
Knots Landing
1979 TV
Subtitles
Full House (1987) subtitle poster
Full House
1987 TV
as Anchorman
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Profiler (1996) subtitle poster
Profiler
1996 TV
as Trooper Jasper
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Everybody Hates Chris (2005) subtitle poster
Everybody Hates Chris
2005 TV
as Mr. Richards
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7th Heaven (1996) subtitle poster
7th Heaven
1996 TV
as Ken
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Crazy like a Fox (1984) subtitle poster
Crazy like a Fox
1984 TV
as Nolan
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Femme Fatales (2011) subtitle poster
Femme Fatales
2011 TV
as Detective Mitchum
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Reasonable Doubts (1991) subtitle poster
Reasonable Doubts
1991 TV
as Hanratty
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It's Florida, Man. (2024) subtitle poster
It's Florida, Man.
2024 TV
as Joe Jones
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Dead Silent (2016) subtitle poster
Dead Silent
2016 TV
as Will Hilton
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Yes, God, Yes (2020) subtitle poster
Yes, God, Yes
2020 Movie
as Priest
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Our Friend (2019) subtitle poster
Our Friend
2019 Movie
as Richard
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Hot Dog... The Movie (1984) subtitle poster
Hot Dog... The Movie
1984 Movie
as Event Starter
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Turbulent Skies (2010) subtitle poster
Turbulent Skies
2010 Movie
as Gardner
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