A reporter learns that his girlfriend's father, an old sea captain, is being paid by the mob to transport gangsters out of the country.
You can now watch Secret of Deep Harbor online on the following streaming providers in the United States.
| Directing | Edward L. Cahn | Director |
| Editing | Kenneth G. Crane | Editor |
| Production | Joseph Small | Production Manager |
| Camera | Gilbert Warrenton | Director of Photography |
| Production | Ralph Acton | Casting |
| Art | Morris Hoffman | Set Decoration |
| Sound | Richard LaSalle | Original Music Composer |
| Directing | Herbert S. Greene | Assistant Director |
| Writing | Orville H. Hampton | Writer |
| Production | Robert E. Kent | Producer |