• 
  Monte Hellman

  regizor
• 
  Tom Gries

  regizor

• 
  Robert Duvall

  Bill McDonald
• 
  Ernest Borgnine

  Angelo Dundee
• 
  Malachi Throne

  Payton Jory
• 
  James Gammon

  Mr. Harry
• 
  Teddy Wilson

  Gardener
• 
  Lloyd Haynes

  Herbert Muhammad

• 
  John Marley

  Dr. Ferdie Pacheco
• 
  Arthur Adams

  Cassius Clay Senior
• 
  Paul Winfield

  Avocat
• 
  James Earl Jones

  Malcolm X
• 
  Lucille Benson

  Mrs. Fairlie
• 
  David Clennon

  Căpitan
• 
  Roger E. Mosley

  Sonny Liston

• 
  Ben Johnson

  Hollis
• 
  Dina Merrill

  Velvet Green
• 
  Ernie Wheelwright

  Bossman Jones
• 
  Paul Mantee

  Carrara
• 
  Ray Holland

  Reporter
• 
  Don Dunphy

  Commentator
• 
  Roy Firestone

  TV Reporter
• 
  Chip McAllister

  Young Muhammad Ali
• 
  David Huddleston

  Cruikshank

• 
  George Foreman

  imagini de arhiva
• 
  Joe Bugner

  imagini de arhiva
• 
  Harry Stradling Jr.

  imagine
• 
  Michael Masser

  departament sunet
• 
  Dan Wallin

  music department
• 
  Lee Holdridge

  music department
• 
  Randee Lynne Jensen

  music department
• 
  Archie Moore

  Himself
• 
  Pat Patterson

  Himself
• 
  Muhammad Ali

  Himself
• 
  Drew Bundini Brown

  Himself
• 
  Tom Gries

  mulţumiri
• 
  Ring Lardner Jr.

  scriitor
• 
  Muhammad Ali

  scriitor