Obsazení
Sol Murgi
Fight Spectator (uncredited)
Lyle Talbot
Radio Announcer
Stanley Price
Fight Spectator (uncredited)
Sheila Ryan
Janet 'J.L.' Brannigan
Joseph Crehan
Oscar Brannigan
William Edmunds
Professor Berger
Sam Flint
Doctor
Don 'Red' Barry
Mike O'Hara, "King Cobra"
Tom Brown
Joe O'Hara
Michael Vallon
Bettor
Chester Clute
Timid Man
Jack Perry
Trainer (uncredited)
Noble 'Kid' Chissell
Fight Spectator (uncredited)
John Cason
Tiger Johnson
Margia Dean
Joy White
Charles Morton
Fight Spectator (uncredited)
Harvey Parry
Bit Role (uncredited)
Al Bain
Fight Spectator (uncredited)