Religio Guignol. Fanatic (AKA: Die! Die! My Darling! is directed by Silvio Narizzano and adapted to screenplay by Richard Matheson from the novel "Nightmare" written by Anne Blaisdell. It stars Tallulah Bankhead, Stefanie Powers, Peter Vaughan, Yootha Joyce, Donald Sutherland and Maurice Kaufmann. Music is by Wilfred Josephs and cinematography by Arthur Ibbetson. Pat Carroll (Powers) decides to make a courtesy call on Mrs. Trefoile (Bankhead), the mother of the man she was courting seriously before his untimely death in an automobile accident. Her good intentions are not exactly welcomed ...