
Diagnosis: Murder 1974
"Three or four drops a day can relieve the patient ...of her fortune"
In the dark corners of 1974's British thriller landscape, "Diagnosis: Murder" unfolds with a chilling precision that lingers long after the credits roll.
Director: Sidney Hayers
Cast







Frequently Asked Questions
What is Diagnosis: Murder (1974) about?
The film follows a psychiatrist who plots to murder his wealthy wife to inherit her fortune for his mistress, only for his plan to go awry when she vanishes unexpectedly. The story escalates into a tense psychological battle where nothing is as it seems.
Who directed Diagnosis: Murder?
Sidney Hayers directed "Diagnosis: Murder (1974)", bringing a steady hand to this taut psychological thriller.
Who stars in Diagnosis: Murder?
The film features a powerhouse cast including Christopher Lee, Jon Finch, and Judy Geeson, each delivering performances that heighten the film's unsettling atmosphere.
Is Diagnosis: Murder (1974) worth watching?
For fans of 1970s psychological thrillers, "Diagnosis: Murder" offers a compelling mix of suspense and moral ambiguity. While not a household name, its tight plotting and strong performances make it a hidden gem worth tracking down.
How long is Diagnosis: Murder?
Diagnosis: Murder (1974) has a runtime of 95 minutes.
About Diagnosis: Murder (1974) — A 1970s British Thriller of Greed and Psychological Horror
In the dark corners of 1974's British thriller landscape, "Diagnosis: Murder" unfolds with a chilling precision that lingers long after the credits roll. Directed by Sidney Hayers, this atmospheric gem weaves a tale of psychological manipulation and deadly intent, as a calculating psychiatrist hatches a sinister plot to eliminate his wealthy wife and claim her fortune for his mistress. When his carefully laid plans unravel unexpectedly, the stage is set for a suspenseful cat-and-mouse game where trust is the most fragile currency. With a mood that oscillates between eerie calm and simmering tension, the film explores themes of greed, betrayal, and the fragility of the human mind.
Christopher Lee lends his signature gravitas to the role of the scheming psychiatrist, while Jon Finch and Judy Geeson deliver sharply contrasting performances that heighten the film's sense of impending doom. The story's clever twist—where the wife's sudden disappearance derails the murder plot—adds a layer of unpredictability that keeps viewers on edge. Set against a backdrop of moody interiors and shadowy corridors, "Diagnosis: Murder (1974)" is a gripping psychological thriller that proves deception can be just as lethal as any weapon.