Exorcist III: Legion (1990)
Genres: Horror, Thriller, Drama, Mystery
Cast: Brad Dourif, Samuel L. Jackson, Larry King, Jason Miller, Lois Foraker, Don Gordon, Viveca Lindfors, Colleen Dewhurst, William Preston, Harry Carey Jr., Scott Wilson, Barbara Baxley, Nancy Fish, George DiCenzo, Ken Lerner
Director(s): William Peter Blatty
Synopsis:A police lieutenant uncovers more than he bargained for as his investigation of a series of murders, which have all the hallmarks of the deceased 'Gemini' serial killer, lead him to question the patients of a psychiatric ward.