Martin Durnley (Hywel Bennett) lives at home with his over-protective mother (Phyllis Calvert) and stepfather (Frank Finlay), who is worried about his lack of motivation.
When they try to send him to Australia to take a job, Martin says he’s going to Paris but goes to stay at the boarding house run by the mother of Susan Harper (Hayley Mills), a pretty young librarian he met in a toy shop when he stole a toy duck.
As “Georgie Clifford” he pretends to have learning difficulties and Susan and her kindly mother, Joan (Billie Whitelaw) treat him like a child.
But Martin is a psychopath and one night he sneaks out of the house and murders his stepfather.
Susan finds out who he really is (the copy of Psychopathia Sexualis in his room is a bit of a giveaway!) and goes home to warn her mother but Martin has already killed her. Martin shoots himself and the police arrive to find him dying at Susan’s feet.
Twisted Nerve reunited Bennett and Mills with director Roy Boulting who also directed the young artists in The Family Way (1966).
The film was based on bad scientific theory. So bad, in fact, that a disclaimer had to be hastily added to the start of the movie refuting the claims of the medical folk in it about Down’s syndrome – or “Mongolism” as it is described in the movie.
“Ladies and gentlemen: in view of the controversy already aroused, the producers of this film wish to re-emphasise what is already stated in the film – that there is no established scientific connection between mongolism and psychotic or criminal behaviour”
Martin is the Durnleys second-born son. Their first son had Down’s Syndrome and had been confined to a home since childhood. The parents were then warned not to have a second child – “just to be safe” – but had Martin, who appeared to be a perfectly normal child. But despite being normal in appearance, Martin has psychotic tendencies – which the film connects to his brother’s condition. That’s obviously not true and for many, quite offensive.
Susan Harper
Hayley Mills Martin Durnley (Georgie Clifford)
Hywel Bennett Joan Harper
Billie Whitelaw Enid Durnley
Phyllis Calvert Gerry Henderson
Barry Foster Henry Durnley
Frank Finlay Shashie Kadir
Salmaan Peer Philip Harvey
Christian Roberts Clarkie
Gretchen Franklin Sir John Forrester
Thorley Walters Professor Fuller
Russell Napier Mr Groom
Timothy Bateson Superintendent Dakin
Timothy West Detective Sergeant Rogers
Brian Peck Taffy Evans
Richard Davies
Director
Roy Boulting
Video
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