演职人员
导演
Jack Townley
Billy Conn
Billy Conn
Patricia Mallory
Jean Parker
Cliff Halliday
Dick Purcell
Joe Barton
艾伦·巴克斯特
Barbara Ellison
Veda Ann Borg
Max Ellison
Jonathan Hale
Feets Johnson
Ernest Whitman
Knockout Riley
John Kelly
Magenta
Etta McDaniel
Garvey
Dick Elliott
Morrie
John Harmon
Devlin
Robert Barron
Sparring Partner
Henry Armstrong
Radio announcer (voice)
Sam Balter
Referee
Arthur Donovan
The Champ
Jack Roper
Freddie Steel
Freddie Steele
Fight Announcer
Dan Tobey
(uncredited)
埃德蒙·科博
(uncredited)
Donald Douglas
(uncredited)
William Forrest
(uncredited)
Harrison Greene
(uncredited)
Kit Guard
(uncredited)
Russell Hicks
(uncredited)
Nora Lane
(uncredited)
Charles Sullivan
(uncredited)
William Telaak