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Mars Callahan is an American actor, film director, producer and writer.
Birth Name
Gregory Mars Martin
Born
Friday, 01 January 1971
Actor Filmography
| Title | Character | Year |
|---|
| Kevin Pollak's Chat Show | Self | 2009 |
| What Love Is | Ken | 2007 |
| Poolhall Junkies | Johnny | 2002 |
| Zigs | Clyde | 2001 |
| That Thing You Do! | Ernie the Disc Master Engineer | 1996 |
| The Office | (as Gregory 'Mars' Martin) | 1995 |
| ER | Matt | 1994 |
| Clifford | Brian | 1994 |
| Kalifornia | Walter Livesy | 1993 |
| Highway to Hell | State Policeman | 1991 |
Actor Filmography
| Title | Character | Year |
|---|
| Kevin Pollak's Chat Show | Self | 2009 |
| What Love Is | Ken | 2007 |
| Poolhall Junkies | Johnny | 2002 |
| Zigs | Clyde | 2001 |
| That Thing You Do! | Ernie the Disc Master Engineer | 1996 |
| The Office | (as Gregory 'Mars' Martin) | 1995 |
| ER | Matt | 1994 |
| Clifford | Brian | 1994 |
| Kalifornia | Walter Livesy | 1993 |
| Highway to Hell | State Policeman | 1991 |
| The Trials of Rosie O'Neill | Bill Abbott | 1990 |
| I Know My First Name Is Steven | Victor (Age 14) | 1989 |
| TV 101 | Jock #1 | 1988 |
| The Wonder Years | Steve | 1988 |
| The Children of Times Square | Brian (as Gregory 'Mars' Martin) / Brian | 1986 |
| Misfits of Science | Zack | 1985 |
| Growing Pains | Buzzy | 1985 |
| Cagney & Lacey | Neil 'Ghost' Statler | 1981 |
| CBS Schoolbreak Special | Dave | 1980 |
| Knots Landing | Man | 1979 |
| The Facts of Life | Larry | 1979 |
Director Filmography
| Title | Year |
|---|
| What Love Is | 2007 |
| Poolhall Junkies | 2002 |
| Zigs | 2001 |
