Pazuzu (The Exorcist) the first film, Linda Blair played Regan. Mercedes McCambridge provided the majority of Pazuzu's dialogue, most notably in all the scenes with Fathers Karras and Merrin. In earlier scenes, Pazuzu's voice is provided by Linda Blair herself in some scenes, and Ron Faber in others. The face of Pazuzu is provided by Eileen Dietz, who also plays Regan during the vomiting, levitation and masturbation scenes. Pazuzu is mostly manifested by a swarm of locusts in "Exorcist II: The Heretic", though is also shown possessing the young Regan and a young boy named Kokumo during flashback sequences. While the stand-in for
The Exorcist III instead, published in 1983. It was a bestseller. Blatty then decided to turn the book back into a screenplay. Film companies Morgan Creek and Carolco both wanted to make the film; Blatty decided upon Morgan Creek after Carolco suggested the idea of a grown-up Regan MacNeil giving birth to possessed twins. Blatty offered directorial responsibilities to John Carpenter, who liked his script; however, Carpenter backed out when it became clear that Blatty wanted to direct the movie himself and also because of creative differences regarding the ending of the movie. However, they remained friends. As per the stipulations for his