Mars Callahan
Birthday
N/A
Gender
Unknown
Place of Birth
Studio City, California, U.S.
Also know as
Gregory Mars Martin
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 ...Read more
Acting
(2002) Poolhall Junkies
as Johnny
(2025) Dog Patrol
as Agent Matters
(1993) Kalifornia
as Walter Livesy
(1991) Highway to Hell
as State Policeman
(1986) The Children of Times Square
as Brian (as Gregory 'Mars' Martin)
(1996) That Thing You Do!
as Ernie the Disc Master Engineer
(1994) Clifford
as Brian
(1989) I Know My First Name Is Steven
as Victor (Age 14)
(1988) The Wonder Years
as Steve
(1988) TV 101
as Jack #1
(1979) Knots Landing
as Man
(1994) ER
as Matt