A psychotic man schemes to drive his sister mad so that he can claim her inheritance, but a deadly game of cat-and-mouse begins when an imposter intervenes.
Jimmy Sangster | Writer |
Freddie Francis | Director |
Josephine Tey | Novel |
Elisabeth Lutyens | Original Music Composer |
Anthony Hinds | Producer |
Arthur Grant | Director of Photography |
Bernard Robinson | Production Design |
Don Mingaye | Art Direction |
Roy Ashton | Makeup Artist |