In 1960, two respected British directors debuted shocking psychosexual thrillers, to mixed critical and commercial receptions: Alfred Hitchcock with 'Psycho,' and Michael Powell with 'Peeping Tom.' Both films were shocking in their time, and their influence on low-budget 1960s horror can't be overstated. Roy Boulting's 'Twisted Nerve (1968)' is a typical Hitchcock rip-off, but of the serious, stylish Brian De Palma mould, rather than the schlocky comic-horror of William Castle. The film introduces us to Martin Durnley (Hywel Bennett), the younger brother of a man suffering from "mongolism," the condition now known as Down Syndrome. Though seemingly healthy a birth, it seems that young Martin has developed some psychopathic, psychosexual tendencies, inextricably linked to a chromosomal mismatch at conception. Martin pretends to be mentally-challenged in order to get into bed with the virginal Susan (Disney favourite Hayley Mills, later the director's much-younger wife), only to instead capture the attentions of Susan's lonely mother (Billie Whitelaw) – did I mention this film was rather twisted?
Though the film treats its absurd, gloriously un-PC narrative with the utmost seriousness, it is nevertheless startlingly effective at capturing the main character's psychoses. Bennett's performance is menacing and pathetic in equal degree, playing a sort of introverted Alex DeLarge, whose wicked intentions are always bubbling beneath an otherwise honest exterior. 'Twisted Nerve' also features a maddeningly catchy musical theme, memorably recycled in Tarantino's 'Kill Bill: Vol. 1 (2004),' composed by Bernard Hermann, who by this time was estranged from Hitchcock on account of his rejected score for 'Torn Curtain (1967).' Nevertheless, it's clear that Alfred Hitchcock himself both saw and enjoyed 'Twisted Nerve,' as he cast both Barry Foster and Billie Whitelaw in his own back-to-basics British shocker 'Frenzy (1972).' Due to controversy surrounding its depiction of Down Syndrome, the film opens with a spoken announcement that attempts to shirk responsibility for its political incorrectness, but without much luck. I probably wouldn't have it any other way.
