June McCarthy has unwittingly aided an undercover Nazi naval officer with acquiring a "mother ship" for German submarines in the Atlantic.
| Directing | Edward Dmytryk | Director |
| Writing | Edward E. Paramore Jr. | Writer |
| Writing | Robert Grant | Story |
| Camera | Harry Fischbeck | Director of Photography |
| Camera | Dewey Wrigley | Director of Photography |
| Editing | Archie Marshek | Editor |
| Production | Eugene J. Zukor | Producer |
