Eileen Dietz (born January 11, 1945, Bayside, New York) is an American actress who is best known for her appearances in many horror films such as the face of the demon in The Exorcist and for her portrayal of characters on the soap operas Guiding Light and General Hospital.
As a child, Dietz appeared in commercials with her twin sister Marianne, and beginning at the age of 12 she started studying acting at the Neighborhood Playhouse. She made her television debut in 1963 in a small guest role on The Doctors. Shortly thereafter she landed a recurring role on the soap opera Love of Life. She made her film debut starring in the 1966 movie Teenage Gang Debs as Ellie. The following year she portrayed Penny Wohl in the critically acclaimed independent film Holzman’s Diary. The film never got much in the way of theatrical distribution despite having Dietz’s nude scene featured in Life Magazine’s photo spread and in the book of the film. She didn’t recall if she auditioned for the role of Penny but she added, “it was a fun shoot.”
Dietz spent much of the late 1960’s and early 1970’s appearing in theatre productions. In 1972, she portrayed an androgynous runaway in the premiere of Joyce Carol Oates’ Ontological Proof of My Existence. Her portrayal in the play led to an invitation to do a screen test for William Friedkin film The Exorcist. She was cast in two memorable roles in the film: The Demon (better known as The Face of Death), for this role, Dietz actually only appeared on film for 8–10 seconds; and the ‘Possessed Regan’ (the Linda Blair character). In The Exorcist Pazuzu appears as a demon who possesses Regan McNeil; Pazuzu a fictional character and the main antagonist in The Exorcist novels and film series created by William Peter Blatty. Blatty derived the character from Assyrian and Babylonian mythology, where Pazuzu was considered the king of the demons and of the wind, and the son of the god Hanbi.
In 1980, Dietz joined the cast of General Hospital as Sarah Abbott, a role she played for several years. She also appeared as a guest star on Trapper John, M.D. (1982) and in the horror film Freeway Maniac (1989). More recent film credits include Naked in the Cold Sun (1997), Hurricane Festival (1997), Bad Guys (2000), Exorcism (2003), The Mojo Cafe (2004), Neighborhood Watch (2005), Constantine (2005), Karla (2006), Creepshow III (2006), Dog Lover’s Symphony (2006), and Tracing Cowboys (2008).
2009 was a very busy year for Dietz. She had several films coming out, including Stingy Jack, H2: Halloween 2, See How They Run, The Queen of Screams (2009), Butterfly, Second Coming of Mary,Legend of the Mountain Witch, and Monsterpiece Theatre Volume 1.