Mars Callahan
Mars Callahan (born 1971 in Studio City, California) is an American actor and film director. He is known, among other things from the movie Pool Hall Junkies, where he is involved as a director and actor.
At the age of eleven years, Callahan toured singing and dancing with a children's musical group by 37 U.S. states. At 15, he already got a role in the television series The Wonder Years offered, he accepted also. Then he got a number of smaller film roles. Staged in 1998 and turned Callahan first time even a movie, the short film The Red Bag.