Dennis O'Brien
'Professor' Fredrick Simpson Schicka
Inspector Bruger
Irma Rand
Sylvia Rand
Gail Chase
Ed Gannon
Steve Belzig alias Vic Lundy
Bill Rafferty
Eddie Paige
Harry Barton
Sparring Partner
Tom Fallon, alias Steve Rand
Henry - the Bartender
Bookie (uncredited)
Boxing Match Spectator (uncredited)
Waiter (uncredited)
Nightclub Patron (uncredited)
Bookie (uncredited)
Director
Screenplay
Producer
Art Direction
Original Story
Editor
Construction Foreman
Wardrobe Supervisor
Property Master
Makeup Artist
Associate Producer
Music
Special Effects
Director of Photography
Set Decoration
Assistant Director
Sound
Original Story
Editor
Dialogue Coach
Screenplay
