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 (film) After Regan speaks backwards in different voices and exhibits scars in the form of the words "Help Me" on her stomach, Karras is convinced that Regan is possessed. Believing her soul is in danger, he decides to perform an exorcism. The experienced Merrin is selected for performing the actual exorcism with Karras assisting. Both priests witness Regan perform a series of bizarre, vulgar acts. They attempt to exorcise the demon, but the stubborn entity toys with them, especially Karras. Karras shows weakness and is dismissed by Merrin, who attempts the exorcism alone. Karras enters the room later and discovers Merrin