Joe Kirkwood Jr.

Joe Palooka

James Gleason

Knobby Walsh

Lois Hall

Anne Howe Palooka

Edgar Barrier

Dist. Atty. Michael Brogden

Myrna Dell

Sandra Reed

Robert Coogan

Humphrey Pennyworth

Dan Seymour

Charlie Crawford

Charles Halton

Merkle - the Shyster

Frank Jenks

Looie - a Trainer

Greg McClure

Pete Muske

Eddie Gribbon

Canvasback

Robert Griffin

Kebo - Crawford Henchman

John Harmon

Phillips - Reporter

Jack Roper

Henchman Gunsell

William Haade

Robert 'Bubbles' Conway

Stanley Prager

TV Announcer

Hal Baylor

Pinky Thompson

John Frederick

Tiny Morrow

Paul Bryar

Det. Lt. Roderick

Dick Elliott

Sheriff

Marie Blake

Prunella, Humphrey's Sister (uncredited)