Poltergeist III is a 1988 American supernatural horror film co-written and directed by Gary Sherman, and starring Tom Skerritt, Nancy Allen, and Lara Flynn Boyle in her film debut, with Heather O'Rourke and Zelda Rubinstein reprising their roles from the previous films. The third and final entry in the original Poltergeist film series, it follows young Carol Anne Freeling, who is terrorized by malicious spirits while staying in her aunt and uncle's apartment at Chicago's John Hancock Center.