Mad scientist turns a man into an electrically-controlled monster to do his bidding.
| Directing | George Waggner | Director |
| Writing | George Waggner | Screenplay |
| Writing | Harry Essex | Story |
| Writing | Sid Schwartz | Story |
| Writing | Len Golos | Story |
| Production | Jack Bernhard | Associate Producer |
| Sound | Hans J. Salter | Original Music Composer |
| Camera | Elwood Bredell | Director of Photography |
| Editing | Arthur Hilton | Editor |
| Art | Jack Otterson | Art Direction |
| Art | Russell A. Gausman | Set Decoration |
| Costume & Make-Up | Vera West | Costume Design |
| Costume & Make-Up | Jack Pierce | Makeup Artist |
| Crew | John P. Fulton | Special Effects |
| Sound | Charles Carroll | Sound |
| Art | Harold H. MacArthur | Art Direction |
| Sound | Bernard B. Brown | Sound Supervisor |
| Crew | David Sharpe | Stunts |
| Sound | Hans J. Salter | Music Director |
| Sound | Charles Henderson | Music |
| Sound | Charles Previn | Orchestrator |
| Sound | Frank Skinner | Music |
| Crew | Eric Wybrow | Technical Supervisor |
