Wartime secret agents are on a mission to destroy a deadly new type of torpedo, hidden in a Nazi stronghold in France.
| Camera | Loyal Griggs | Director of Photography |
| Costume & Make-Up | Edith Head | Costume Design |
| Directing | Harry Keller | Director |
| Writing | Edward Anhalt | Screenplay |
| Editing | Russell F. Schoengarth | Editor |
| Writing | Sy Bartlett | Story |
| Art | Alexander Golitzen | Art Direction |
| Art | John Beckman | Art Direction |
| Art | John McCarthy Jr. | Set Decoration |
| Art | Darrell Silvera | Set Decoration |
| Production | Hal W. Polaire | Unit Production Manager |
| Art | Wayne Fitzgerald | Title Designer |
| Sound | Waldon O. Watson | Sound |
| Sound | Clarence E. Self | Sound |
| Directing | Joseph Kane | Second Unit Director |
| Costume & Make-Up | Larry Germain | Hairstylist |
| Costume & Make-Up | Bud Westmore | Makeup Artist |
| Crew | Betty A. Griffin | Dialogue Coach |
| Crew | David Sharpe | Stunt Coordinator |
| Visual Effects | Albert Whitlock | Visual Effects |
| Sound | William Lava | Music |
| Sound | Joseph Gershenson | Music Supervisor |
| Production | Harry Keller | Producer |
| Crew | Bob Herron | Stunts |