Diagnosis: Murder poster
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Diagnosis: Murder

6.119741h 35mMovieThriller

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.

DirectorSidney Hayers
WritersBen Roberts·Ivan Goff
ProducersPeter Miller·Patrick Dromgoole

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Diagnosis: Murder was released on January 1, 1974 but we couldn't find it on any streaming service yet. Rights can change — try again later.

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Cast · Directed by Sidney Hayers

CLChristopher Lee
Christopher Lee
Dr. Stephen Hayward
JFJon Finch
Jon Finch
Lomax
JGJudy Geeson
Judy Geeson
Helen
DHDilys Hamlett
Dilys Hamlett
Julia Hayward
TBTony Beckley
Tony Beckley
Sgt. Greene
JMJane Merrow
Jane Merrow
Mary Dawson
CJColin Jeavons
Colin Jeavons
Bob Dawson
DT
David Trevena
Johnson
AC
Adrian Cairns
Morgan
DN
Daphne Neville
Nurse Fisher
HS
Hugh Smith-Marriott
Dr. Chapman
HT
Hubert Tucker
Ronalds

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Diagnosis: Murder — streaming FAQ

Which OTT platform streams Diagnosis: Murder?

Diagnosis: Murder isn't streaming anywhere in United States yet.

Is Diagnosis: Murder on Netflix?

No, Diagnosis: Murder is not on Netflix in United States as of November 2026.

Is Diagnosis: Murder on Amazon Prime Video?

No, Diagnosis: Murder isn't on Amazon Prime Video in United States right now.

Where can I watch Diagnosis: Murder for free?

Diagnosis: Murder isn't streaming in United States yet, so there's no way to watch it free at the moment.

What is the OTT release date for Diagnosis: Murder?

Diagnosis: Murder hasn't started streaming in United States yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around February 19, 1974. This is a prediction, not a confirmed date.