Based on a true incident that occurred in 1942 when nine Nazi saboteurs were put ashore on the coast of Long Island, New York, by submarine, with orders to blow up various defense installations.
| Directing | Edward Ludwig | Director |
| Production | Lee S. Marcus | Producer |
| Writing | Michael Jacoby | Story |
| Editing | Nick DeMaggio | Editor |
| Writing | Aubrey Wisberg | Writer |
| Art | James Basevi | Art Direction |
| Sound | Arthur Lange | Original Music Composer |
| Sound | Hugo Friedhofer | Original Music Composer |
| Camera | Lucien N. Andriot | Director of Photography |
| Sound | Leigh Harline | Original Music Composer |
