Sigourney Weaver Talks Ghostbusters 3 Will Oscar Be A New Ghostbuster

But fin d now, she has no idea if his character Dana Barrett will return for another, suggesting that his child characters Oscar should be one of the Ghostbusters.. Sigourney Weaver tells MTV that is supposed to come into contact with Bill [Murray] next week to discuss the new film Ghostbusters, which is being developed.