Bud Alexander

Bud Abbott

Acting

Lou Francis

Lou Costello

Acting

Helen Gray

Nancy Guild

Acting

Tommy Nelson

Arthur Franz

Acting

Boots Marsden

Adele Jergens

Acting

Boots Morgan

Sheldon Leonard

Acting

Det. Roberts

William Frawley

Acting

Dr. Philip Gray

Gavin Muir

Acting

Radio Announcer

Sam Balter

Acting

Rocky Hanlon

John Daheim

Acting

Professor Dugan (uncredited)

Walter F. Appler

Acting

Sneaky (uncredited)

Bobby Barber

Acting

Officer (uncredited)

Howard Banks

Acting

Bald Man (uncredited)

Richard Bartell

Acting

Fight Spectator (uncredited)

Phil Bloom

Acting

Trainer (uncredited)

John Breen

Acting

Ring Announcer (uncredited)

Milt Bronson

Acting

Man at Bar (uncredited)

Ralph Brooks

Acting

Reporter (uncredited)

Steve Carruthers

Acting

Dugan Detective School Graduate (uncredited)

Tom Coleman

Acting

Counter Man (uncredited)

Chester Conklin

Acting

Trainer (uncredited)

Bing Conley

Acting

Newspaperman (uncredited)

Russ Conway

Acting

Fight Spectator (uncredited)

Paul Cristo

Acting

Col. Duffie (uncredited)

Frank Dae

Acting

Man (uncredited)

Roy Darmour

Acting

Reporter (uncredited)

Sayre Dearing

Acting

Hospital Visitor (uncredited)

Jack Deery

Acting

Man in Gym (uncredited)

James Dime

Acting

Motorcycle Cop (uncredited)

Ralph Dunn

Acting

Reporter (uncredited)

George Ford

Acting

Milt (uncredited)

Edward Gargan

Acting

Bartender (uncredited)

Harold Goodwin

Acting

Man (uncredited)

Dick Gordon

Acting

Fighter on Rowing Machine (uncredited)

Kit Guard

Acting

Graduation Spectator (uncredited)

Bobby Hale

Acting

Policeman (uncredited)

Chuck Hamilton

Acting

Fight Spectator (uncredited)

Stuart Holmes

Acting

Policeman (uncredited)

Kenner G. Kemp

Acting

Trainer (uncredited)

Johnny Kern

Acting

Fight Spectator (uncredited)

Donald Kerr

Acting

Cop (uncredited)

Perc Launders

Acting

Torpedo Al (uncredited)

George J. Lewis

Acting

Tough Guy in Bar (uncredited)

Rory Mallinson

Acting

Dr. Turner (uncredited)

Paul Maxey

Acting

Graduation Spectator (uncredited)

Mathew McCue

Acting

Restaurant Patron (uncredited)

Hans Moebus

Acting

Photographer (uncredited)

Ralph Montgomery

Acting

Training Spectator (uncredited)

Mike Morelli

Acting

Fight Spectator (uncredited)

William H. O'Brien

Acting

Fight Spectator (uncredited)

Monty O'Grady

Acting

Photographer (uncredited)

Franklin Parker

Acting

Dugan Detective School Graduate (uncredited)

Jack Perrin

Acting

Rocky's Handler (uncredited)

Jack Perry

Acting

Waiter (uncredited)

Victor Romito

Acting

Fight Spectator (uncredited)

Clark Ross

Acting

Waiter (uncredited)

Syd Saylor

Acting

Fighter (uncredited)

Sammy Shack

Acting

Nurse (uncredited)

Edith Sheet

Acting

Attendant (uncredited)

Jack Shutta

Acting

Lou's Handler (uncredited)

Carl Sklover

Acting

Newspaperman (uncredited)

Billy Snyder

Acting

Dugan Detective School Graduate (uncredited)

Brick Sullivan

Acting

Referee (uncredited)

Frankie Van

Acting

Stillwell (uncredited)

Herb Vigran

Acting

Rooney - Rocky's Manager (uncredited)

Billy Wayne

Acting