
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)