Curly
Curly Howard
Larry
Larry Fine
U-Boat Commander (uncredited)
Frederick Giermann
Saboteur (uncredited)
Dick Jensen
Telephone Customer #1 (uncredited)
Robert Kellard
Radio Quiz Announcer (voice) (uncredited)
Eddie Laughton
Charles Sherlock
German Officer / Telephone Customer #4 (uncredited)
John Tyrrell
Moe
Moe Howard
Telephone Customer #2 (uncredited)
Lloyd Bridges
Hans - the Nazi (uncredited)
Vernon Dent
Marsha - the Nazi Housekeeper (uncredited)
Minerva Urecal
Wilbur - the Cook (uncredited)
Dudley Dickerson
Telephone Customer #5 (uncredited)
Christine McIntyre
Bomber Pilot (uncredited)
Stanley Brown
Telephone Customer #3 (uncredited)
Julie Duncan
Director
Del Lord
Producer
Story
Monte Collins
Elwood Ullman
Screenplay
Director of Photography
George Meehan
Editor
Paul Borofsky
Art Direction
Carl Anderson
Hugh McCollum