The Exorcist same name, and starring Ellen Burstyn, Linda Blair, Max von Sydow, and Jason Miller. The film is part of "The Exorcist" franchise. The book, inspired by the 1949 exorcism of Roland Doe, deals with the demonic possession of a 12-year-old girl and her mother's attempts to win back her child through an exorcism conducted by two priests. The adaptation is relatively faithful to the book, which itself has been commercially successful (hitting the "New York Times" bestseller list). John Boorman's "" was released in 1977, and revisited Regan four years after her initial ordeal. The plot dealt with an investigation
The Exorcist III voice in the climax is deliberately similar to that of Mercedes McCambridge, who did the uncredited voice of the demon in "The Exorcist", and the role is essayed in "The Exorcist III" by Colleen Dewhurst, who was uncredited (actress Dewhurst was twice married to, and twice divorced from, actor George C. Scott). One shot missing from the re-filmed climax - but which appears in the trailer - shows Karras/the Gemini "morphing" through a variety of faces. It was left out of the film because Blatty was not happy with the special effects work. On the climactic exorcism scene, Blatty later