Diretor/a
Georgina Harvey
DIRETOR/A
Sally Thomson
Elenco (na ordem dos créditos)
Birol Tarkan Yildiz
Self
Anthony Howell
Narrator
Ferdie Pacheco
Self - Muhammad Ali's Fight Doctor
Angelo Dundee
Self - Muhammad Ali's Trainer
Harry Carpenter
Self - Boxing Historian
Thomas Hauser
Self - Muhammad Ali's Biographer
Arthur Mercante
Self - Referee, 1971 Fight
Ralph Wiley
Self - Sports Writer
Larry Holmes
Self - World Heavyweight Champion
Jerry Izenberg
Self - Sports Journalist
Emile Griffith
Self - World Welterweight Champion
Gil Clancy
Self - Emile Griffith's Trainer
Mike Tyson
Self (archiveFootage)