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 (film) minutes of music for the initial film trailer but audiences were reportedly too scared by its combination of sights and sounds. Warner Bros. executives told Friedkin to instruct Schifrin to tone it down with softer music, but Friedkin did not relay the message. It has been claimed Schifrin later used the music written for "The Exorcist" for "The Amityville Horror", but he has denied this in interviews. According to "The Fear of God: The Making of the Exorcist" on the 25th Anniversary DVD release of the film, Friedkin (known for his temper) literally took the tapes that Schifrin had recorded