Know For
Acting
Gender
-
Birthday
-
Place of Birth
Studio City, California, U.S.
Also known As
Gregory Mars Martin
From Wikipedia, the free encyclopedia. Mars Callahan (born 1971) is an American actor, director, producer and writer. He is known, among other things, for the movie Poolhall Junkies where he served as director, actor and screenwriter. At the age of eleven Callahan toured with a children's musical group through thirty-seven states. At fifteen he received his first acting role in the television series The Wonder Years. After honing his acting skills in television he tried for the big screen and soon appeared in various films. Inspired by the directors he worked with Callahan decided to try working behind the camera and in 1998 shot his fi...
2002
as Johnny
2025
as Agent Matters
1993
as Walter Livesy
1991
as State Policeman
1986
as Brian (as Gregory 'Mars' Martin)
1996
as Ernie the Disc Master Engineer
1994
as Brian
2007
as Writer
2007
as Director
2002
as Writer
2002
as Director
2001
as Director
2001
as Writer
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