Générique complet
Le Champion
Kirk Douglas
Midge Kelly
Marilyn Maxwell
Grace Diamond
Arthur Kennedy
Connie Kelly
Paul Stewart
Tommy Haley
Ruth Roman
Emma Bryce
Lola Albright
Palmer Harris
Luis van Rooten
Jerry Harris
Harry Shannon
Lew
John Daheim
Johnny Dunne
Ralph Sanford
Hammond
Esther Howard
Mrs. Kelly
Bill Baldwin
Bill Brown (Ringside Broadcaster) (uncredited)
Sam Balter
Championship Fight Announcer (uncredited)
Don Brodie
Newspaper Reporter (uncredited)
Ralph Brooks
Newspaper Reporter at Benefit (uncredited)
Mushy Callahan
Referee Title Fight (uncredited)
Sayre Dearing
Newspaper Reporter at Benefit (uncredited)
Paul Dubov
Gangster (uncredited)
Jimmie Dundee
Tough Tramp in Boxcar (uncredited)
Joe Gray
Championship Fight Opponent (uncredited)
Chuck Hamilton
Fight Stadium Guard (uncredited)
Mike Lally
Well-Wisher in Nightclub (uncredited)
Hal March
Mobster (uncredited)
George Meader
Fight Doctor (uncredited)
Ralph Montgomery
Newspaper Reporter (uncredited)
Forbes Murray
Speaker at Benefit (uncredited)
Tim Ryan
Al (Kansas City Manager) (uncredited)
Court Shepard
Fighter (uncredited)
Charles Sherlock
Dunne's Cornerman (uncredited)
Hilda Simms
Maid (uncredited)
Charles Sullivan
Kansas City Referee (uncredited)
Polly Bergen
Radio and Jukebox Singer (voice) (uncredited)
Réalisation
Scénario
Production
Image
Montage
Son et musique
Décors
Costumes et maquillage
Gertrude Wheeler
Coiffure
Joe King
Costumes
Gustaf Norin
Makeup Department Head
Adele Parmenter
Costumes