A newsman tracks down a phantom killer of murder-trial jurors.
| Directing | Budd Boetticher | Director |
| Writing | Charles O'Neal | Screenplay |
| Writing | Richard Hill Wilkinson | Story |
| Writing | Leon Abrams | Story |
| Production | Wallace MacDonald | Producer |
| Camera | L. William O'Connell | Director of Photography |
| Editing | Paul Borofsky | Editor |
| Art | George Brooks | Art Direction |
| Art | George Montgomery | Set Decoration |
| Directing | Ivan Volkman | Assistant Director |
| Sound | Jack A. Goodrich | Sound |
| Camera | Irving Klein | Camera Operator |
| Sound | Mischa Bakaleinikoff | Music Director |
| Crew | Daniele Amfitheatrof | Additional Music |
| Crew | Mario Castelnuovo-Tedesco | Additional Music |
| Crew | W. Franke Harling | Additional Music |
| Crew | Werner R. Heymann | Additional Music |
| Crew | Friedrich Hollaender | Additional Music |
| Crew | John Leipold | Additional Music |
| Crew | William Grant Still | Additional Music |
| Production | Juanita Lopez | Researcher |
