Director Nicolas Roeg and actress Theresa Russell fell in love during the shoot and married. Russell was 22 years old at that time, while Roeg was already 52 years old. They had two children, but divorced later.
The film did not find favor with the Rank Organization, one executive calling it "a sick film made by sick people, for sick people." As a result, Rank's logo was removed from all UK release prints.
Dana Gillespie's (Amy Miller's) scenes were severely cut before release, in the process, completely deleting her scene with Carolyn Seymour (Lisa Dietrich).
In 2013 Criterion Collection released a list of director Christopher Nolan's 10 favorite films from its catalog and this film was among them.
The sex scenes were heavily cut by Irish censor Frank Hall when first theatrically released in Ireland.