One of the sons of late Dr. Henry Frankenstein finds his father's ghoulish creation in a coma and revives him, only to find out the monster is controlled by Ygor who is bent on revenge.
| Writing | Wyllis Cooper | Screenplay |
| Writing | Mary Shelley | Novel |
| Costume & Make-Up | Jack Pierce | Makeup Artist |
| Camera | George Robinson | Director of Photography |
| Production | Rowland V. Lee | Producer |
| Art | Jack Otterson | Co-Art Director |
| Costume & Make-Up | Vera West | Costume Design |
| Directing | Rowland V. Lee | Director |
| Editing | Ted J. Kent | Editor |
| Art | Russell A. Gausman | Set Decoration |
| Sound | Frank Skinner | Original Music Composer |
| Sound | Bernard B. Brown | Sound Supervisor |
| Sound | William Hedgcock | Sound Recordist |
| Costume & Make-Up | Vera West | Costume Designer |
| Directing | Fred Frank | Assistant Director |
| Art | Richard H. Riedel | Art Department Manager |
| Crew | Bud Wolfe | Stunts |
| Camera | Arthur Gerstle | Assistant Camera |
| Sound | Charles Previn | Music Director |
| Sound | Hans J. Salter | Music Arranger |
| Sound | Frank Skinner | Orchestrator |
| Crew | John P. Fulton | Special Effects |
