Ghostbusters is a 1984 American supernatural comedy film directed and produced by Ivan Reitman and written by Dan Aykroyd and Harold Ramis. It stars Bill Murray, Aykroyd, and Ramis as Peter Venkman, Ray Stantz, and Egon Spengler, a trio of eccentric parapsychologists who start a ghost-catching business in New York City. The film also stars Sigourney Weaver and Rick Moranis, and features Annie Potts, William Atherton, and Ernie Hudson in supporting roles.