A code expert working for Naval Intelligence is assigned to decode enemy messages despite his desire for active duty.
| Directing | George Sidney | Director |
| Writing | George Oppenheimer | Screenplay |
| Writing | Harry Kurnitz | Screenplay |
| Writing | P.J. Wolfson | Screenplay |
| Editing | Harry Kurnitz | Editor |
| Art | Cedric Gibbons | Art Direction |
| Editing | Ben Lewis | Editor |
| Production | B.F. Zeidman | Producer |
| Costume & Make-Up | Harry Kurnitz | Costume Design |
| Production | Harry Kurnitz | Associate Producer |
| Camera | Paul Vogel | Director of Photography |
| Costume & Make-Up | Robert Kalloch | Costume Design |
