Diretor/a
Tom Gries
DIRETOR/A
Monte Hellman
Elenco (na ordem dos créditos)
Muhammad Ali
Cassius Clay
Ernest Borgnine
Angelo Dundee
John Marley
Dr. Ferdie Pacheco
Lloyd Haynes
Herbert Muhammad
Malachi Throne
Payton Jory
Lucille Benson
Mrs. Fairlie
Teddy Wilson
John the Gardener
Annazette Chase
Belinda Ali
Mira Waters
Ruby Sanderson
Chip McAllister
Cassius Clay - Aged 18
Drew Bundini Brown
Drew 'Bundini' Brown
Robert Duvall
Bill McDonald
David Huddleston
Cruikshank
Ben Johnson
Hollis
James Earl Jones
Malcolm X
Dina Merrill
Velvet Green
Roger E. Mosley
Sonny Liston
Paul Winfield
Draft Lawyer
Richard Gullage
Commission Doctor
Arthur Adams
Cassius Clay Senior
Dorothy Meyer
Odessa Clay
Rahman Ali
Rahaman Ali
Howard L. Bingham
Howard Bingham
Richard Venture
Colonel
Stack Pierce
Rahaman
W. Youngblood Muhammad
Ven Medina
Ronnie
Paul Mantee
Carrara
Skip Homeier
Major
Lloyd Wells
George Garro
Mr. Curtis
David Clennon
Captain
Ernie Wheelwright
Bossman Jones
Pat Patterson
George Cooper
Lawyer
James Gammon
Mr. Harry
Gene Kilroy
Toni Crabtree
Hooker
Sally Gries
Sponsor's Wife
Elizabeth Marshall
Don Dunphy
Commentator
Fernand A. Larrieu Jr.
Grocer
Nai Bonet
Suzie Gomez
Harold Conrad
Alberto Martin
Doctor
Walter Olkewicz
Reporter
George Chuvalo
Self(archiveFootage)
Yank Durham
Bob Foster
Buster Mathis
Arthur Mercante
Archie Moore
Ken Norton
Floyd Patterson
Jerry Quarry
Sally Bondi
Bess(uncredited)
Joe Bugner
Joe Bugner(uncredited)(archiveFootage)
Zach Clayton
Self(uncredited)(archiveFootage)
Ty Copeman
White Youth(uncredited)
Barney Felix
Roy Firestone
TV Reporter(uncredited)
George Foreman
Levi Forte
Gym Boxer(uncredited)
Bob Gordon
Reporter(uncredited)
Vic Hunter
Metro Di(uncredited)
Ken Klingman
Boxer Hitting Heavy Bag in Gym(uncredited)
Ray Mann
Young Man(uncredited)
Jack McDermott
Todd Rosen
Kirby Sanders
Reporter 'Can We Quote You'(uncredited)
Woni Spotts
Child in Crowd(uncredited)
Tracy 'Chubby' Steele
Boxer Hitting Heavy Bag in 5th Street Gym(uncredited)