cin•atlas every frame has a place
Mars Callahan
The talent

Mars Callahan

Acting
IMDB ↗

The work

The Wonder Years 1988
The Wonder Years Steve
ER 1994
ER Matt
That Thing You Do! 1996
That Thing You Do! Ernie the Disc Master Engineer
Kalifornia 1993
Kalifornia Walter Livesy
Highway to Hell 1991
Highway to Hell State Policeman
Clifford 1994
Clifford Brian
Poolhall Junkies 2002
Poolhall Junkies Writer, Director
Knots Landing 1979
Knots Landing Man
I Know My First Name Is Steven 1989
I Know My First Name Is Steven Victor (Age 14)
What Love Is 2007
What Love Is Writer, Director
The Children of Times Square 1986
The Children of Times Square Brian (as Gregory 'Mars' Martin)
Zigs 2001
Zigs Director, Writer
Dog Patrol: Operation Santa Paws 2025
Dog Patrol: Operation Santa Paws Agent Matters
TV 101 1988
TV 101 Jack #1
Ballbreakers
2005
Ballbreakers Producer