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The Third Secret

6.219641h 43mMovieMysteryThrillerDrama

A prominent London psychologist seems to have taken his own life, causing stunned disbelief amongst his colleagues and patients. His teenage daughter refuses to believe it was suicide as this would go against all of the principles her…

DirectorCharles Crichton
WriterRobert L. Joseph
ProducerRobert L. Joseph

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The Third Secret was released on February 2, 1964 but we couldn't find it on any streaming service yet. Rights can change — try again later.

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Cast · Directed by Charles Crichton

SBStephen Boyd
Stephen Boyd
Alex Stedman
JHJack Hawkins
Jack Hawkins
Sir Frederick Belline
RARichard Attenborough
Richard Attenborough
Alfred Price-Gorham
DCDiane Cilento
Diane Cilento
Anne Tanner
PFPamela Franklin
Pamela Franklin
Catherine Whitset
PRPaul Rogers
Paul Rogers
Dr Milton Gillen
AWAlan Webb
Alan Webb
Alden Hoving
RKRachel Kempson
Rachel Kempson
Mildred Hoving
PSPeter Sallis
Peter Sallis
Lawrence Jacks
PCPatience Collier
Patience Collier
Mrs Belton
FJFreda Jackson
Freda Jackson
Mrs Bales
JDJudi Dench
Judi Dench
Miss Ada Humphries

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The Third Secret — streaming FAQ

Which OTT platform streams The Third Secret?

The Third Secret isn't streaming anywhere in United States yet.

Is The Third Secret on Netflix?

No, The Third Secret is not on Netflix in United States as of August 2026.

Is The Third Secret on Amazon Prime Video?

No, The Third Secret isn't on Amazon Prime Video in United States right now.

Where can I watch The Third Secret for free?

The Third Secret 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 The Third Secret?

The Third Secret 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 March 22, 1964. This is a prediction, not a confirmed date.