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Backdrop from a project of Mars Callahan
Poster for Mars Callahan

Mars Callahan

★ Acting #74,625
• Acting

​From Wikipedia, the free encyclopedia.  

Known For

The Wonder Years

83%

Steve

1988

ER

78%

Matt

1994

Poolhall Junkies

63%

Johnny

2002

Knots Landing

70%

Man

1979

I Know My First Name Is Steven

67%

Victor (Age 14)

1989

What Love Is

53%

Director

2007

Zigs

45%

Director

2001

Dog Patrol: Operation Santa Paws

50%

Agent Matters

2025

Dog Patrol: Operation Santa Paws

50%

Agent Matters

2025

What Love Is

53%

Director

2007

What Love Is

53%

Writer

2007
Ballbreakers

Ballbreakers

Producer

2005

Poolhall Junkies

63%

Johnny

2002

Poolhall Junkies

63%

Writer

2002

Poolhall Junkies

63%

Director

2002

Zigs

45%

Director

2001

Zigs

45%

Writer

2001

That Thing You Do!

69%

Ernie the Disc Master Engineer

1996

ER

78%

Matt

1994

Clifford

51%

Brian

1994

Kalifornia

66%

Walter Livesy

1993

Highway to Hell

59%

State Policeman

1991

I Know My First Name Is Steven

67%

Victor (Age 14)

1989

TV 101

70%

Jack #1

1988

The Wonder Years

83%

Steve

1988

The Children of Times Square

63%

Brian (as Gregory 'Mars' Martin)

1986

Knots Landing

70%

Man

1979

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