출연진
Don 'Red' Barry
Mike O'Hara, "King Cobra"
Sheila Ryan
Janet 'J.L.' Brannigan
Tom Brown
Joe O'Hara
Joseph Crehan
Oscar Brannigan
John Cason
Tiger Johnson
Tony Canzoneri
Swinger Markham
Joey Adams
Duke Hensel
William Edmunds
Professor Berger
Edit Angold
Mama Berger
Margia Dean
Joy White
Harry Brown
Fight Manager
Lyle Talbot
Radio Announcer
Michael Vallon
Bettor
Sam Flint
Doctor
Frankie Van
Referee
Dan Tobey
Fight Announcer
James J. Casino
Boxer (uncredited)
Ned Roberts
Fighter (uncredited)
Jimmy Martin
Fight Second
Chester Clute
Timid Man
Jack Perry
Trainer (uncredited)