Calificación
Reparto

Leon Errol
Knobby Walsh

Joe Kirkwood Jr.
Joe Palooka

Elyse Knox
Anne Howe

Eduardo Ciannelli
Florini

Joe Sawyer
Lefty

Elisha Cook Jr.
Eugene

Warren Hymer
Ira Eyler

Robert Kent
Ronnie Brewster

Sarah Padden
Mom Palooka

Joe Louis
Himself

Sam McDaniel
Smoky

J. Farrell MacDonald
Long-Count Bowman

Betty Blythe
Mrs. Stafford

Carol Hughes
Mrs. Van Pragg

Eddie Gribbon
Louie, the Louisiana Lion

Manuel Ángeles Ortiz
Manuel Ortiz