크레딧 출연 무함마드 알리 Self (archive footage) Jim Brown Self George Foreman Self 톰 존스 Self 마이크 타이슨 Self Muhammad Ali Jnr Self Hana Ali Self Maryum Ali Self Marvis Frazier Self Ken Jones Self Gene Kilroy Self George Lois Self Verónica Porche Ali Self Norman Towns Young Ali Rahman Ali Self 스텝 Clare Lewins Directing Clare Lewins Writing John Battsek Production Helen Bennitt Production George Chignell Production Simon Chinn Production Greg Hobden Production Clare Lewins Production Stuart Luck Crew Mark 'Reg' Wrench Editing David Brill Sound Roberto Cappannelli Sound Steve Smith Crew