An elderly couple's lodger, a British musician (Ivor Novello), becomes the suspect in a series of killings.
Editing | Jack Harris | Editor |
Writing | Miles Mander | Writer |
Writing | Marie Belloc Lowndes | Novel |
Writing | H. Fowler Mear | Adaptation |
Production | Julius Hagen | Producer |
Directing | Maurice Elvey | Director |
Camera | Basil Emmott | Director of Photography |
Camera | William Luff | Director of Photography |