On screen
Cast
27 credited performers
Artwork unavailable
Billy Conn
Billy Conn
Jean Parker
Patricia Mallory
Dick Purcell
Cliff Halliday
Alan Baxter
Joe Barton
Veda Ann Borg
Barbara Ellison
Jonathan Hale
Max Ellison
Ernest Whitman
Feets Johnson
John Kelly
Knockout Riley
Etta McDaniel
Magenta
Dick Elliott
Garvey
John Harmon
Morrie
Robert Barron
Devlin
Artwork unavailable
Henry Armstrong
Sparring Partner
Artwork unavailable
Sam Balter
Radio announcer (voice)
Artwork unavailable
Arthur Donovan
Referee
Artwork unavailable
Jack Roper
The Champ
Freddie Steele
Freddie Steel
Artwork unavailable
Dan Tobey
Fight Announcer
Edmund Cobb
(uncredited)
Donald Douglas
(uncredited)
William Forrest
(uncredited)
Artwork unavailable
Harrison Greene
(uncredited)
Kit Guard
(uncredited)
Russell Hicks
(uncredited)
Nora Lane
(uncredited)
Charles Sullivan
(uncredited)
Artwork unavailable
William Telaak
(uncredited)