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 version, retitled "", was given a small theatrical release. Blatty directed "The Ninth Configuration", a post-Vietnam War drama set in a mental institution. Released in 1980, it was based on Blatty's novel of the same name. Though it contrasts sharply with the tone of "The Exorcist," Blatty regards "Configuration" as its true sequel. The lead character is the astronaut from Chris' party, Lt. Cutshaw. A made-for-television film, "Possessed" (based on the book of the same name by Thomas B. Allen), was broadcast on Showtime on October 22, 2000, directed by Steven E. de Souza and written by de Souza and