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 Doctor (Doctor Who) footage. Tom Baker did reappear, but as "the Curator", an ambiguously different character who he was not credited for playing. A voice actor, John Guilor, recorded a line of audio impersonating the First Doctor, for which he was credited as "Voice Over Artist". In other multi-Doctor stories, the multiple actors are all credited as "The Doctor", the exception being "The Three Doctors" (1972–73), which credited William Hartnell, Patrick Troughton and Jon Pertwee as "Doctor Who" as the 1972 serial preceded the practice of crediting the character as "The Doctor". In "Human Nature" (2007), the plot involves the Tenth Doctor altering