 In the 1950s, he was appearing in Off-Broadway productions, where he met his wife to be Kathryn Ish in 1959.In the 1960s, he relocated to San Francisco and became a member of an improvisational comedy group, The Committee.Some of Stahl's best known film credits include "Five Easy Pieces" (1970), "The Student Nurses" (1970), "Billy Jack" (1971), "Beware!