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