When a mysterious entity possesses a young girl, her mother seeks the help of two Catholic priests to save her life.

Top Cast

Ellen BurstynChris MacNeil

Linda BlairRegan MacNeil

Jason MillerFather Damien Karras

Max von SydowFather Lankester Merrin

Lee J. CobbLt. Bill Kinderman

William O'MalleyFather Joseph Kevin Dyer

Kitty WinnSharon Spencer

Barton HeymanDr. Klein