Twisted Nerve
movie

Cleaver. Cleaver. Chop. Chop. First the mom and then the pop. Then we'll get the pretty girl. We'll get her right between the curl.
Released December 20, 1968
Overview
Martin Durnley is a young man with an infantilizing mother, resentful stepfather and an institutionalized brother with Down's syndrome. To cope, he retreats into an alternate child personality he calls Georgie. After being caught during a theft attempt at a department store, he befriends a female customer who is sympathetic to him, but his friendship soon turns into obsession.
Cast

Hayley Mills
as
Susan Harper

Hywel Bennett
as
Martin (Georgie) Durnley

Billie Whitelaw
as
Joan Harper

Frank Finlay
as
Henry Durnley

Barry Foster
as
Gerry Henderson

Phyllis Calvert
as
Enid Durnley

Salmaan Peerzada
as
Shashie Kadir

Christian Roberts
as
Philip Harvey

Gretchen Franklin
as
Clarkie

Timothy West
as
Superintendant Dakin

Thorley Walters
as
Sir John Forrester

Russell Napier
as
Professor Fuller
Crew
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Roger Marshall
as
Story

Bernard Herrmann
as
Original Music Composer
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Leo Marks
as
Screenplay
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Roy Boulting
as
Screenplay
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Roy Boulting
as
Director
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Roger Marshall
as
Idea
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Frank Granat
as
Producer
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Harry Waxman
as
Director of Photography

John Boulting
as
Executive Producer
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Martin Charles
as
Editor
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Thelma Graves
as
Casting
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Albert Witherick
as
Art Direction