Knobby Walsh
Leon Errol
Joe Palooka
Joe Kirkwood Jr.
Pee Wee
Bert Conway
Lt. Muldoon
Lyle Talbot
Fight Secretary
Benny Baker
Canvasback
Eddie Gribbon
Scranton
Jack Roper
Wardrobe Mistress
Frances Osborne
Commissioner Harris
Harry Hayden
Detective
Frank Fenton
Beauty Contest Announcer
George Fisher
Referee
John Indrisano
Maxine
Lina Romay
Tiny, a Prizefighter
Ted Pavelec
Tom Conway
David Bruce
Louie
George O'Hanlon
Anne Howe
Virginia Welles
Dutch Grady
Greg McClure
Dr. Benson
Taylor Holmes
Mike
Ian MacDonald
Talmadge
Lou Lubin
Screenplay
Stanley Prager
Story
Director
Cy Endfield
Additional Dialogue
Characters
Ham Fisher