Sigourney weaver starred in what 1984 American supernatural comedy film that was directed and produced by Ivan Reitman?
Sigourney Weaver:  She is also known for her starring roles in the box-office hits "Ghostbusters" (1984), "Ghostbusters II" (1989), and "Avatar" (2009). Ghostbusters: Ghostbusters is a 1984 American supernatural comedy film directed and produced by Ivan Reitman and written by Dan Aykroyd and Harold Ramis.
Ghostbusters