Bud Alexander
Lou Francis
Helen Gray
Tommy Nelson
Boots Marsden
Boots Morgan
Det. Roberts
Dr. Philip Gray
Radio Announcer
Rocky Hanlon
Professor Dugan (uncredited)
Sneaky (uncredited)
Officer (uncredited)
Bald Man (uncredited)
Fight Spectator (uncredited)
Trainer (uncredited)
Ring Announcer (uncredited)
Man at Bar (uncredited)
Reporter (uncredited)
Dugan Detective School Graduate (uncredited)
Counter Man (uncredited)
Trainer (uncredited)
Newspaperman (uncredited)
Fight Spectator (uncredited)
Col. Duffie (uncredited)
Man (uncredited)
Reporter (uncredited)
Hospital Visitor (uncredited)
Man in Gym (uncredited)
Motorcycle Cop (uncredited)
Reporter (uncredited)
Milt (uncredited)
Bartender (uncredited)
Man (uncredited)
Fighter on Rowing Machine (uncredited)
Graduation Spectator (uncredited)
Policeman (uncredited)
Fight Spectator (uncredited)
Policeman (uncredited)
Trainer (uncredited)
Fight Spectator (uncredited)
Cop (uncredited)
Torpedo Al (uncredited)
Tough Guy in Bar (uncredited)
Dr. Turner (uncredited)
Graduation Spectator (uncredited)
Restaurant Patron (uncredited)
Photographer (uncredited)
Training Spectator (uncredited)
Fight Spectator (uncredited)
Fight Spectator (uncredited)
Photographer (uncredited)
Dugan Detective School Graduate (uncredited)
Rocky's Handler (uncredited)
Waiter (uncredited)
Fight Spectator (uncredited)
Waiter (uncredited)
Fighter (uncredited)
Nurse (uncredited)
Attendant (uncredited)
Lou's Handler (uncredited)
Newspaperman (uncredited)
Dugan Detective School Graduate (uncredited)
Referee (uncredited)
Stillwell (uncredited)
Rooney - Rocky's Manager (uncredited)
Director
Screenplay
Screenplay
Screenplay
Story
Story
Producer
Director of Photography
Editor
Art Direction
Art Direction
Set Decoration
Set Decoration
Hairstylist
Makeup Artist
Sound
Sound
Visual Effects
Story
Assistant Director
Property Master
Music
Music
Music
Music
Musician
Music
Music
Music
Music
Music
Original Music Composer
Visual Effects
Music Director
