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 deal with Morgan Creek, Blatty was to direct the movie himself, and it was to be filmed on location in Georgetown. The central role of Lt. Kinderman had to be recast, as Lee J. Cobb, who played the part in "The Exorcist", had died in 1976. Oscar-winner George C. Scott signed up for the role, impressed by Blatty's screenplay: "It's a horror film and much more... It's a real drama, intricately crafted, with offbeat interesting characters...and that's what makes it genuinely frightening." Several cast members from Blatty's previous film "The Ninth Configuration" (1980) appear in "The Exorcist III": Jason Miller,