Kurt Ingston, a rich recluse, invites the doctors who left him a hopeless cripple to his desolate mansion in the swamps as one by one they meet horrible deaths.
| Writing | Clarence Upson Young | Writer |
| Directing | Ford Beebe | Director |
| Editing | Milton Carruth | Editor |
| Costume & Make-Up | Vera West | Costume Design |
| Production | Ford Beebe | Producer |
| Production | Donald H. Brown | Associate Producer |
| Camera | Charles Van Enger | Director of Photography |
| Art | Jack Otterson | Art Direction |
| Art | Russell A. Gausman | Set Decoration |
| Sound | Hans J. Salter | Music Director |
| Sound | Bernard B. Brown | Sound Director |
| Sound | Robert Pritchard | Sound |
