The Exorcist is a 1973 American supernatural horror film directed by William Friedkin and written for the screen by William Peter Blatty, based on his 1971 novel of the same name. It stars Ellen Burstyn, Max von Sydow, Lee J. Cobb, Kitty Winn, Jack MacGowran (in his final film role), Jason Miller and Linda Blair. It follows the demonic possession of a young girl and her mother's attempt to rescue her through an exorcism conducted by a pair of Catholic priests.
In northern Iraq, Catholic priest Lankester Merrin participates in an archaeological dig which unearths a medallion of Saint Joseph and an artifact representing Pazuzu, an ancient demon. As Merrin prepares to leave Iraq, he sees a large statue of Pazuzu, and two dogs fighting.