Mars Callahan
Doğum Yeri: Studio City, California, U.S.
Bilinen Alan: Acting
Bilinen Yapımlar
Dog Patrol: Operation Santa Paws
Agent Matters
2025
Dog Patrol: Operation Santa Paws
Agent Matters
Bilardo Cambazları
Johnny
2002
Bilardo Cambazları
Johnny
That Thing You Do!
Ernie the Disc Master Engineer
1996
That Thing You Do!
Ernie the Disc Master Engineer
ER
Matt
1994
ER
Matt
Clifford
Brian
1994
Clifford
Brian
Kalifornia
Walter Livesy
1993
Kalifornia
Walter Livesy
Highway to Hell
State Policeman
1991
Highway to Hell
State Policeman
I Know My First Name Is Steven
Victor (Age 14)
1989
I Know My First Name Is Steven
Victor (Age 14)
TV 101
Jack #1
1988
TV 101
Jack #1
The Wonder Years
Steve
1988
The Wonder Years
Steve
The Children of Times Square
Brian (as Gregory 'Mars' Martin)
1986
The Children of Times Square
Brian (as Gregory 'Mars' Martin)
Knots Landing
Man
1979
Knots Landing
Man