
A prominent London psychologist appears to have died by suicide, shocking his colleagues and patients. His teenage daughter, convinced this contradicts everything he stood for, believes he was murdered. She recruits a former patient to investigate, uncovering a truth that is both startling and unsettling.
Does The Third Secret have end credit scenes?
No!
The Third Secret does not have end credit scenes. You can leave when the credits roll.
Explore the complete cast of The Third Secret, including both lead and supporting actors. Learn who plays each character, discover their past roles and achievements, and find out what makes this ensemble cast stand out in the world of film and television.

Judi Dench
Miss Ada Humphries

Jack Hawkins
Sir Frederick Belline

Peter Sallis
Lawrence Jacks

Nigel Davenport
Lew Harding

Diane Cilento
Anne Tanner

Rachel Kempson
Mildred Hoving

Stephen Boyd
Alex Stedman

Pamela Franklin
Catherine Whitset

Peter Copley
Dr Leo Whitset

Paul Rogers
Dr Milton Gillen

Barbara Hicks
Police Secretary

James Maxwell
Mark

Alan Webb
Alden Hoving

Sarah Brackett
Nurse

Ronald Leigh-Hunt
Police Officer

Freda Jackson
Mrs Bales

Gerald Case
Mr Bickles

Patience Collier
Mrs Belton

Charles Lloyd Pack
Dermot McHenry

Geoffrey Adams
Floor Manager

Neal Arden
Mr Morgan
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