크레딧 출연 무함마드 알리 Self (archive footage) Jim Brown Self George Foreman Self 톰 존스 Self 마이크 타이슨 Self Muhammad Ali Jr. 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 Steve Smith Crew Clare Lewins Writing Clare Lewins Directing David Brill Sound Greg Hobden Production Simon Chinn Production Mark 'Reg' Wrench Editing John Battsek Production Roberto Cappannelli Sound Stuart Luck Crew Helen Bennitt Production George Chignell Production Clare Lewins Production