A Victorian-era murder mystery about a parlour maid who discovers that her employer may have killed his first wife.
| Directing | Arthur Lubin | Director |
| Production | Maxwell Setton | Producer |
| Writing | Arthur Pierson | Adaptation |
| Sound | Benjamin Frankel | Original Music Composer |
| Editing | Alan Osbiston | Editor |
| Camera | Christopher Challis | Director of Photography |
| Writing | Dorothy Davenport | Screenplay |
| Writing | Lenore J. Coffee | Screenplay |
| Production | Mike Frankovich | Producer |
| Sound | Ken Ritchie | Boom Operator |
| Camera | Laurie Ridley | Still Photographer |
| Camera | John Shinerock | Assistant Camera |
| Production | Audrey Monk | Production Secretary |
| Writing | W.W. Jacobs | Short Story |
| Art | Wilfred Shingleton | Art Direction |
| Sound | Benjamin Frankel | Conductor |
| Production | Fred Gunn | Production Manager |
| Directing | Ronald Spencer | Assistant Director |
| Directing | Betty Forster | Continuity |
| Costume & Make-Up | Beatrice Dawson | Costume Designer |
| Costume & Make-Up | Elizabeth Haffenden | Costume Designer |
| Camera | Joan Bridge | Other |
| Camera | Austin Dempster | Camera Operator |
| Sound | John Cox | Sound Supervisor |
| Sound | Buster Ambler | Sound Recordist |
| Sound | Red Law | Sound Recordist |
| Costume & Make-Up | Neville Smallwood | Makeup Artist |
| Costume & Make-Up | Betty Lee | Hairdresser |
