A millionaire's brain is preserved after his death by a scientist and his two assistants, only to create a telepathic monster.
| Directing | George Sherman | Director |
| Writing | Dane Lussier | Screenplay |
| Writing | Frederick Kohner | Screenplay |
| Writing | Curt Siodmak | Novel |
| Production | George Sherman | Associate Producer |
| Sound | Marlin Skiles | Orchestrator |
| Art | Otto Siegel | Set Decoration |
| Sound | Arthur Morton | Orchestrator |
| Sound | Walter Scharf | Original Music Composer |
| Sound | Marlin Skiles | Original Music Composer |
| Directing | R.G. Springsteen | Assistant Director |
| Camera | John Alton | Director of Photography |
| Editing | Arthur Roberts | Editor |
| Crew | Theodore Lydecker | Special Effects |
| Costume & Make-Up | Adele Palmer | Wardrobe Supervisor |
| Art | Russell Kimball | Art Direction |
| Sound | Joseph Dubin | Orchestrator |
| Sound | Earl Crain Sr. | Sound |
