A doctor is driven into an investigation of sinister goings-on at a horse race track by his mystery writer ex-wife.
| Directing | Stephen Roberts | Director |
| Writing | James Edward Grant | Story |
| Production | Edward Kaufman | Associate Producer |
| Camera | J. Roy Hunt | Director of Photography |
| Art | Van Nest Polglase | Art Direction |
| Costume & Make-Up | Bernard Newman | Costume Design |
| Directing | Clem Beauchamp | Assistant Director |
| Sound | John L. Cass | Sound Recordist |
| Editing | Arthur Roberts | Editor |
| Sound | Roy Webb | Music Director |
| Art | Perry Ferguson | Assistant Art Director |
| Art | Darrell Silvera | Set Dresser |
| Writing | Anthony Veiller | Screenplay |
| Directing | Wallace Fox | Second Unit Director |
| Directing | Louis Shapiro | Second Assistant Director |
| Directing | John Sherwood | Second Assistant Director |
| Sound | Clem Portman | Sound |
| Crew | Harry Redmond Jr. | Special Effects |
| Camera | Jack MacKenzie | Second Unit Director of Photography |
| Sound | Max Steiner | Original Music Composer |
| Sound | Roy Webb | Original Music Composer |
| Crew | Amalia Kent | Script |
| Crew | Ruthalice Selznick | Script |
