When a mysterious entity possesses a young girl, her mother seeks the help of two Catholic priests to save her life.
as Chris MacNeil
as Regan MacNeil
as Father Damien Karras
as Father Lankester Merrin
as Lt. Bill Kinderman
as Father Joseph Kevin Dyer
as Sharon Spencer
as Dr. Klein
as Dr. Barringer
as Burke Dennings
as Karl
as Willi
as Dr. Taney
as Psychiatrist
as Tom
as Mary Karras
as Uncle John
as Language Lab Director
as Bishop Michael
as Chuck / Demon (voice)
as Mary Jo Perrin
as Jesuit Dean
as Senator at Party
as Demon (voice)
as Radiologist's Assistant (uncredited)
as Nurse (uncredited)
as The Producer (uncredited)
as First Mental Patient (uncredited)
as Astronaut (uncredited)
as Doctor (voice) (uncredited)
as Violent psychotic patient (uncredited)
as Demon / Regan Double (uncredited)
as Senator's Wife (uncredited)
as Minor Role (uncredited)
as Minor Role (uncredited)
as Bellevue Nurse (uncredited)
as Minor Role (uncredited)
as Angiography Doctor (uncredited)
as Spiderwalk (uncredited)
as Priest (uncredited)
as Subway Vagrant (uncredited)
as Priest Singing Around Piano at Party (uncredited)
as (her voice on the radio)
