- Robert P. Lieb - D. A. Hogan
- Theodore Newton - Edward Eagan
- Steve McQueen - Fidel (uncredited)
- Stanley Adams - Romolo's Attorney (uncredited)
- Fred Aldrich - Ringside Photographer (uncredited)
- Leon Alton - Fight Spectator (uncredited)
- William Boyett - Military Policeman (uncredited)
- Bart Braverman - Boy (uncredited)
- John Breen - Hearing Specatator (uncredited)
- Frank Campanella - Detective (uncredited)
- Walter Cartier - Polack (uncredited)
- Angela Cartwright - Audrey at Age 3 (uncredited)
- George Cisar - Fence (uncredited)
- Russ Clark - Zale Fight Referee (uncredited)
- Tom Coleman - Reporter at Sparring Session (uncredited)
- Russ Conway - Captain Grifton (uncredited)
- Gene Coogan - Bookie (uncredited)
- Clancy Cooper - Captain Lancheck (uncredited)
- Matt Crowley - Lou Stillman (uncredited)
- Michael Dante - Shorty (uncredited)
- Ray Danton - Reporter (voice) (uncredited)
- James Dime - Training Spectator (uncredited)
- Robert Easton - Corporal Quinbury (uncredited)
- John Eldredge - George Niles (uncredited)
- Joe Garcio - Radio Listener (uncredited)
- Robert Gardett - Reporter (uncredited)
- Sam Gilman - Detective Arresting Rocky (uncredited)
- James Gonzalez - Trial Spectator (uncredited)
- Herschel Graham - Fight Spectator (uncredited)
- Donna Jo Gribble - Yolanda Barbella (uncredited)
- Kit Guard - Fight Spectator (uncredited)
- Don Haggerty - Prison Guard (uncredited)
- Bern Hoffman - Fat Man at Hijacking Attempt (uncredited)
- Allen Jaffe - Radio Listener (uncredited)
- Dean Jones - Private in Rocky's Tent (uncredited)
- Byron Kane - Reporter (uncredited)
- Jackie Kelk - George (uncredited)
- Kenner G. Kemp - Commissioner's Assistant (uncredited)
- Jack Kenney - Reformatory Guard (uncredited)
- Jess Kirkpatrick - Chicago Reporter (uncredited)
- Richard LaMarr - Fight Spectator (uncredited)
- David Leonard - Mr. Mueller (uncredited)
- Len Lesser - Reporter at Sparring Session (uncredited)
- Robert Loggia - Frankie Peppo (uncredited)
- Jack Lomas - Reformatory Guard (uncredited)
- Wilbur Mack - Fight Spectator (uncredited)
- Philo McCullough - Fight Spectator (uncredited)
- Frank McLure - Fight Spectator (uncredited)
- Joseph Marr - Customer (uncredited)
- Gregg Martell - Guard (uncredited)
- Joe McGuinn - Guard (uncredited)
- Tyler McVey - Reporter (uncredited)
- Tony Michaels - Assistant Commissioner (uncredited)
- Billy Nelson - Commissioner (uncredited)
- Frank Mills - Counterman at Gym (uncredited)
- Robin Morse - Reporter at Hearing (uncredited)
- Sol Murgi - Fight Spectator (uncredited)
- Monty O'Grady - Fight Spectator (uncredited)
- Ralph Neff - Spectator (uncredited)
- Jimmy Murphy - Young Fighter at Gym (uncredited)
- James O'Rear - Judge (uncredited)
- Jack Orrison - Detective (uncredited)
- Jack Perry - Man in Bar (uncredited)
- Judson Pratt - Johnny Hyland (uncredited)
- Terry Rangno - Rocky at Age 8 (uncredited)
- Sid Raymond - Subway Guard (uncredited)
- Michael Ross - Subway Guard (uncredited)
- Ralph Reed - Soldier (uncredited)
- Dick Rich - Geezer (uncredited)
- Christopher Riordan - Rocky's Friend (uncredited)
- Benny Rubin - Fight Promoter (uncredited)
- Eddie Ryder - Prisoner (uncredited)
- Wayne Taylor - Prisoner (uncredited)
- Willard Sage - Earl Woodhope (uncredited)
- Scott Seaton - Elevator Passenger (uncredited)
- Jack Shea - Prison Guard (uncredited)
- Don Shelton - Captain at Court Martial (uncredited)
- Court Shepard - Tony Zale (uncredited)
- Al Silvani - Rocky's Second (uncredited)
- Buster Slaven - Sidekick (uncredited)
- Bert Stevens - Fight Spectator (uncredited)
- Ray Stricklyn - Bryson (uncredited)
- James Todd - Colonel at Court Martial (uncredited)
- Renata Vanni - (uncredited)
- Ray Walker - Zale Ring Announcer (uncredited)
- Bob Whitney - Hearing Specatator (uncredited)
- Billy Wilson - Commissioner (uncredited)
- Anne Caprile - Norma (french voice)
- Robert Wise
- Rocky Graziano
-
Charles Schnee
- Bronislau Kaper
- Johnny Green
- Miklós Rózsa
Capítulo disponible en las siguientes plataformas:
