Exorcist II: The Heretic with the idea of directing a sequel, explaining that "every film has to struggle to find a connection with its audience. Here I saw the chance to make an extremely ambitious film without having to spend the time developing this connection. I could make assumptions and then take the audience on a very adventurous cinematic journey." Linda Blair agreed to reprise her role of Regan MacNeil for "Exorcist II", but refused to wear demon make-up (a double was used for the brief flashback scenes depicting a demonic Regan). Max von Sydow was persuaded by Boorman to reprise the role of
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