Dr. Laurence, a once-respectable scientist, begins to research the origin of the mind and the soul. The science community rejects him, and he risks losing everything for which he has worked. He begins to use his discoveries to save his research and further his own causes, thereby becoming... a Mad Scientist, almost unstoppable...
| Writing | John L. Balderston | Screenplay |
| Camera | Jack E. Cox | Director of Photography |
| Directing | Robert Stevenson | Director |
| Writing | L. du Garde Peach | Screenplay |
| Writing | Sidney Gilliat | Screenplay |
| Production | Michael Balcon | Producer |
| Editing | Alfred Roome | Editor |
| Sound | Hubert Bath | Original Music Composer |
| Editing | R. E. Dearing | Editor |
| Art | Alex Vetchinsky | Art Direction |
| Costume & Make-Up | Roy Ashton | Makeup Artist |
