What movie based  William Hjortsberg's 1978 novel "Falling Angel was produced by Elliot Kastner?
Elliott Kastner Elliott Kastner (January 7, 1930 – June 30, 2010) was an American film producer, whose best known credits include "Where Eagles Dare" (1968), "The Long Goodbye" (1973), "The Missouri Breaks" (1976) and "Angel Heart" (1987).
The Changeling (1980 film) The Changeling is a 1980 Canadian psychological horror film directed by Peter Medak and starring George C. Scott and Trish Van Devere (Scott's real-life wife). The movie's executive producers were Mario Kassar and Andrew Vajna; its screenplay is based upon events that writer Russell Hunter claimed he experienced while he was living in the Henry Treat Rogers mansion in Denver, Colorado.