The Exorcist III

The Exorcist III is a 1990 American psychological horror film written and directed by William Peter Blatty. It is the third installment in the Exorcist series, an adaptation of Blatty's Exorcist novel Legion (1983), and the final installment in Blatty's "Faith Trilogy". It stars George C. Scott, Brad Dourif, Ed Flanders, Jason Miller, Scott Wilson and Nicol Williamson.