Amityville 3-D (also known as Amityville III: The Demon) is a 1983 supernatural horror film directed by Richard Fleischer and starring Tony Roberts, Tess Harper, Robert Joy, Candy Clark, Lori Loughlin and Meg Ryan. It is the third film based in the "Amityville Horror" series, it was written by David Ambrose, under the pseudonym William Wales. It was one of a spate of 3-D films released in the early 1980s, and was the only Orion Pictures film filmed in the format.