Mars Callahan

Mars Callahan

Mars Callahan

Mars Callahan

Directing

What Love Is (2007)

Poolhall Junkies (2002)

Writing

What Love Is (2007)

Poolhall Junkies (2002)

Acting

Athena Saves Christmas (2023)

Agent Matters

Poolhall Junkies (2002)

Johnny

That Thing You Do! (1996)

Ernie the Disc Master Engineer

Clifford (1994)

Brian

Highway to Hell (1991)

State Policeman

The Children of Times Square (1986)

Brian (as Gregory 'Mars' Martin)