Mars Callahan
Acting
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 serv...
Acting
Dog Patrol: Operation Santa Paws
Agent Matters
2025
What Love Is
Writer
2007
Poolhall Junkies
Johnny
2002
Zigs
Director
2001
That Thing You Do!
Ernie the Disc Master Engineer
1996
ER
Matt
1994
Clifford
Brian
1994
Kalifornia
Walter Livesy
1993
Highway to Hell
State Policeman
1991
I Know My First Name Is Steven
Victor (Age 14)
1989
TV 101
Jack #1
1988
The Wonder Years
Steve
1988
The Children of Times Square
Brian (as Gregory 'Mars' Martin)
1986
Knots Landing
Man
1979