Frenzy filmed in London for the 1956 remake of "The Man Who Knew Too Much"). The last film he had made in Britain before his move to America was "Jamaica Inn" (1939). The film was screened at the 1972 Cannes Film Festival, but was not entered into the main competition. Set in the early 1970s, the plot centres on a serial killer terrorizing London by raping and then strangling women with a tie. Bob Rusk (Barry Foster), a Covent Garden wholesale produce merchant, is the murderer. However, circumstantial evidence, partially engineered by Rusk, will implicate Rusk's friend Richard Blaney (Jon Finch),
The Man Who Knew Too Much (1956 film) not watch the early version nor read its script, with all the plot details coming from a briefing with Hitchcock. Only the opening scenes of the script were ready when filming begun, and Hayes had to send by airmail the subsequent script pages as he finished them. Hitchcock again brought James Stewart to be his protagonist as he was considering the actor a creative partner, and Paramount wanted a sense of continuity between his works. The director requested blonde Doris Day for the main female role as he liked her performance in "Storm Warning", though associate producer Herbert Coleman was