크레딧 출연 Chuck Wepner Self 실베스터 스탤론 Self 무함마드 알리 Self (archive footage) George Foreman Self Don King Self 빈스 맥마흔 Self Sonny Liston Self (archive footage) Mike Douglas Self (archive footage) James Brown Self (archive footage) Hulk Hogan Self (archive footage) André Roussimoff Self (archive footage) Howard Cosell Self (archive footage) Irwin Winkler Self Jake LaMotta Self (archive footage) Jerry Izenberg Self Floyd Patterson Self 스텝 Andrew Billman Production Keith Clinkscales Production John Dahl Production Matt McDonald Production Jeff Feuerzeig Directing