Roles include Gomez Addams on TV's 'The Addams Family.'
He was initially a math major in college.
He is known for playing eccentric characters, and he studied math before going into theater.
He married Suzanne Hahn in 1956, and the couple had three sons.
He is known for his role on the comedy film 'Evil Roy Slade', along with co-star Mickey Rooney.