My first experience of a Pete Walker film was catching the final 5 minutes of The Comeback (1978) on late night TV in the 1980s. A screening of House of Whipcord (1974) at a two-day film festival of 1970s trash at the Phoenix, Leicester in the 1990s cemented my addiction.
It was at the Phoenix festival that screenplay writer for Whipcord, David McGillivray autographed his Doing Rude Things book and dedicated it to the 'Twins of Evil' (my brother and I) simultaneously dismissing his own joke as "the usual rubbish".
McGillivray wrote a wonderfully economic script for Pete Walker's House of Mortal Sin (1976) that is both chilling and hilarious. However, he claims not to have seen the film since the cast and crew screening, so embarrassed is he by his work.
McGillivray has an eternally dry wit and self-deprecating sense of humour that is immense fun for the listener. Here he is introducing House of Mortal Sin at the Barbican, London, with Kim Newman, on 8th November 2014 (audio with stills):