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