Person Details

Birthday:

Aliases: Gregory Mars Martin

Gender: N/A

Place of birth: Studio City, California, U.S.

Homepage:

Movie Involvements: 9

TV Involvements: 3


Most Famous Work

Biography

​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 served as director, actor and screenwriter. At the age of eleven Callahan toured with a children's musical group through thirty-seven states. At fifteen he received his first acting role in the television series The Wonder Years. After honing his acting skills in television he tried for the big screen and soon appeared in various films. Inspired by the directors he worked with Callahan decided to try working behind the camera and in 1998 shot his first short film The Red Bag. In a 2007 Hollywood Reporter interview he revealed that he has had serious health problems when doctors found a tumor in his right kidney. He lost his right kidney, his right adrenal gland and has been in and out of a wheelchair for years. Description above from the Wikipedia article Mars Callahan, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Most Famous Work

ER
Average
8

ER

(1994) Matt
Kalifornia
Average
7

Kalifornia

(1993) Walter Livesy
I Know My First Name Is Steven
Average
7

I Know My First Name Is Steven

(1989) Victor (Age 14)
The Children of Times Square
Average
6

The Children of Times Square

(1986) Brian (as Gregory 'Mars' Martin)
Athena Saves Christmas
Average
0

Athena Saves Christmas

(2023) Agent Matters

Acting

Directing

Year Role Movie/Tv
2007 Director
2002 Director
2001 Director
Year Role Movie/Tv

Writing

Year Role Movie/Tv
2007 Writer
2002 Writer
2001 Writer
Year Role Movie/Tv

Production

Year Role Movie/Tv
2005 Producer
Year Role Movie/Tv

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