Bill Murray, Dan Aykroyd, Harold Ramis and Ernie Hudson star as a quartet of Manhattan-based "paranormal investigators". When their government grants run out, the former three go into business as The Ghostbusters, later hiring Hudson on. Armed with electronic paraphernalia, the team is spectacularly successful, ridding The Big Apple of dozens of ghoulies, ghosties and long-legged beasties. Tight-lipped bureaucrat William Atherton regards the Ghostbusters as a bunch of charlatans, but is forced to eat his w...