A scientist kills innocent victims in his efforts to communicate with his late wife.
| Directing | Edward Dmytryk | Director |
| Production | Wallace MacDonald | Producer |
| Writing | Robert Hardy Andrews | Screenplay |
| Writing | Milton Gunzburg | Screenplay |
| Writing | William Sloane | Novel |
| Sound | Morris Stoloff | Original Music Composer |
| Editing | Al Clark | Editor |
| Camera | Allen G. Siegler | Director of Photography |
| Art | Lionel Banks | Art Direction |
| Sound | Philip Faulkner Jr. | Sound Engineer |
| Sound | Morris Stoloff | Music Director |
