Career
He contributed episodes to over fifty television programs from 1949 through 1984. Marcus got his start writing for live television shows in New York in the 1940s. His credits include episodic work on television shows such as Highway Patrol, Lassie, Falcon Crest, and Mission Impossible.
They both served as producers on the show.
He died of a heart attack at the age of 72 in Encino, California.