Leon Errol

Knobby Walsh

Joe Kirkwood Jr.

Joe Palooka

Guy Kibbee

Uncle Charlie

Elyse Knox

Anne Howe

Lionel Stander

Harry Mitchell

H.B. Warner

Sen. McCarden

Stanley Prager

Rapadsky

Warren Hymer

Louie - Sparring Partner

Richard Lane

Phillips

Cliff Nazarro

First Character

Fritz Feld

Club Steward

Sarah Padden

Mom Palooka

Louis Jean Heydt

Chairman

Freddie Steele

Freddie Steele

Tom Harmon

Tommy Harmon (as Tommy Harmon)

Cy Endfield