Diagnosis: Murder 1974
A psychiatrist plots to murder his wife so he can be with his mistress, but his wife mysteriously disappears before he can carry out his plan.
- Released: 1974-01-01
- Runtime: 95 minutes
- Genre: Thriller
- Stars: Christopher Lee, Jon Finch, Judy Geeson, Dilys Hamlett, Tony Beckley, Jane Merrow, Colin Jeavons, David Trevena, Adrian Cairns, Daphne Neville
- Director: Sidney Hayers