Knobby Walsh

Leon Errol

Acting

Joe Palooka

Joe Kirkwood Jr.

Acting

Anne Howe

Elyse Knox

Acting

Florini

Eduardo Ciannelli

Acting

Lefty

Joe Sawyer

Acting

Eugene

Elisha Cook Jr.

Acting

Ira Eyler

Warren Hymer

Acting

Ronnie Brewster

Robert Kent

Acting

Mom Palooka

Sarah Padden

Acting

Himself

Joe Louis

Acting

Smoky

Sam McDaniel

Acting

Long-Count Bowman

J. Farrell MacDonald

Acting

Mrs. Stafford

Betty Blythe

Acting

Mrs. Van Pragg

Carol Hughes

Acting

Louie, the Louisiana Lion

Eddie Gribbon

Acting

Manuel Ortiz

Manuel Ángeles Ortiz

Acting

Henry Armstrong

Henry Armstrong

Acting

Rosie Palooka

Jo Ann Marlowe

Acting

Jimmy McLarnin

Jimmy McLarnin

Acting

Roger Daniel

Roger Daniel

Acting

Al Costa

Lou Nova

Acting

Herman (Pop) Palooka

Michael Mark

Acting

Ceferino Garcia

Ceferino García

Acting

Waldo, the Wyoming Wildcat

Jack Roper

Acting

Mr. Rodney

Dave Willock

Acting

Radio Announcer

Sam Hayes

Acting

Freddie Wells

Philip Van Zandt

Acting

Sammy

John Kelly

Acting

Fight Commissioner

Emmett Vogan

Acting

Mrs. Oberlander

Carole Donne

Acting

Curly

Russ Vincent

Acting