Acting Ken Waller Acting Raw Iron: The Making of 'Pumping Iron' Self - Mr. Universe 1975 2002 Schwarzenegger: Total Rebuild Self 1988 Flex Ken Waller 1988 The Comeback Self 1980 Kill the Golden Goose Wolfe 1979 Pumping Iron Self 1977 Stay Hungry Doug Stewart (uncredited) 1976 Agent-readable