Curly Howard as Curly

Larry Fine as Larry

Moe Howard as Moe

Lloyd Bridges as Telephone Customer #2 (uncredited)

Vernon Dent as Hans - the Nazi (uncredited)

Minerva Urecal as Marsha - the Nazi Housekeeper (uncredited)

Dudley Dickerson as Wilbur - the Cook (uncredited)

Christine McIntyre as Telephone Customer #5 (uncredited)

Stanley Brown as Bomber Pilot (uncredited)

Julie Duncan as Telephone Customer #3 (uncredited)

Frederick Giermann as U-Boat Commander (uncredited)

Dick Jensen as Saboteur (uncredited)

Robert Kellard as Telephone Customer #1 (uncredited)

Eddie Laughton as Radio Quiz Announcer (voice) (uncredited)

Charles Sherlock as Saboteur (uncredited)

John Tyrrell as German Officer / Telephone Customer #4 (uncredited)