A greedy woman tries to poison her nephew's bride in a dark mansion.
| Writing | Vivian Milroy | Screenplay |
| Directing | Michael McCarthy | Director |
| Writing | Dorothy Eden | Novel |
| Camera | Robert LaPresle | Director of Photography |
| Camera | Leo Rogers | Camera Operator |
| Directing | Betty Harley | Script Supervisor |
| Production | William H. Williams | Producer |
| Art | George Haslam | Art Direction |
| Costume & Make-Up | Olive Whitehurst | Hairstylist |
| Editing | Eric Hodges | Editor |
| Costume & Make-Up | Jack Craig | Makeup Artist |
| Sound | Sidney Rider | Sound Recordist |
| Sound | Dick Smith | Sound Supervisor |
