Genre: Horror, Mystery, Thriller Cast: Stellan Skarsgård,Izabella Scorupco,James D'Arcy. Runtime: 114 min Year: 2004 Plot : Years before Father Lancaster Merrin helped save Regan MacNeil's soul, he first encounters the demon Pazuzu in East Africa. This is the tale of Father Merrin's initial battle with Pazuzu and the rediscovery of his faith.