Curly Howard
Curly

Larry Fine
Larry

Moe Howard
Moe

Lloyd Bridges
Telephone Customer #2 (uncredited)

Vernon Dent
Hans - the Nazi (uncredited)

Minerva Urecal
Marsha - the Nazi Housekeeper (uncredited)

Dudley Dickerson
Wilbur - the Cook (uncredited)

Christine McIntyre
Telephone Customer #5 (uncredited)

Stanley Brown
Bomber Pilot (uncredited)

Julie Duncan
Telephone Customer #3 (uncredited)

Frederick Giermann
U-Boat Commander (uncredited)

Dick Jensen
Saboteur (uncredited)

Robert Kellard
Telephone Customer #1 (uncredited)

Eddie Laughton
Radio Quiz Announcer (voice) (uncredited)

Charles Sherlock
Saboteur (uncredited)

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