The Omega Man
As well as "The Omega Man" (1971), his other film appearances included roles in "Black Belt Jones" (1974), "Death Wish" (1974) opposite Charles Bronson, "Shoot It Black, Shoot It Blue" (1974), "A Piece of the Action" (1977), "Love at First Bite" (1979), "A Force of One," (1979), "The Baltimore Bullet" (1980) and "Back Roads" (1981).