Ex-con turned private investigator Bradford Galt suspects someone is following him and maybe even trying to kill him. With the assistance of his spunky secretary, Kathleen Stewart, he dives deep into a mystery in search of answers.
| Writing | Jay Dratler | Screenplay |
| Writing | Bernard C. Schoenfeld | Screenplay |
| Directing | Henry Hathaway | Director |
| Editing | J. Watson Webb Jr. | Editor |
| Directing | William Eckhardt | Assistant Director |
| Camera | Joseph MacDonald | Director of Photography |
| Sound | Cyril J. Mockridge | Original Music Composer |
| Art | James Basevi | Art Direction |
| Costume & Make-Up | Kay Nelson | Costume Design |
| Production | Fred Kohlmar | Producer |
| Art | Leland Fuller | Art Direction |
| Art | Thomas Little | Set Decoration |
| Writing | Leo Rosten | Story |
| Crew | Harry Kleiner | Additional Writing |
| Crew | Fred Kohlmar | Additional Writing |
| Costume & Make-Up | Ben Nye | Makeup Artist |
| Sound | Maurice De Packh | Orchestrator |
| Sound | Emil Newman | Music Director |
| Costume & Make-Up | Sam Benson | Wardrobe Supervisor |
| Crew | Chuck Hamilton | Stunts |
| Crew | John Kelly | Stunts |
| Sound | W. D. Flick | Sound |
| Sound | Harry M. Leonard | Sound |
| Directing | Paul Helmick | Second Assistant Director |
| Directing | David Silver | Second Assistant Director |
| Production | Charles Hall | Unit Production Manager |
| Production | Raymond A. Klune | Production Manager |
| Art | Paul S. Fox | Assistant Set Decoration |
| Art | Larry Haddock | Props |
| Visual Effects | Fred Sersen | Visual Effects |
| Visual Effects | Sol Halperin | Visual Effects |
| Visual Effects | Edwin Hammeras | Visual Effects |
| Camera | Til Gabani | Second Assistant Camera |
| Sound | Charles Althouse | Scoring Mixer |
| Sound | Paul Neal | Scoring Mixer |
| Sound | Murray Spivack | Scoring Mixer |
