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