We're Ready To Believe You. Bill Murray, Dan Aykroyd and Harold Ramis star in this supernatural comedy classic that will have you howling! When the University downsizes the para-psychology department, Doctors Venkman (Murray), Stantz (Aykroyd) and Spengler (Ramis) make the leap from scientists to Ghostbusters, investigators and exterminators of paranormal pests! The bewitching Dana Barett (Sigourney Weaver) discovers her refrigerator has become a portal into the spiritual dimension, our heroes then come face to face with an ancient evil force with plans to raise hell in Manhattan!!