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