Janine Melnitz: Do you want some coffee, Mr. Tully?
Lewis Tully: Do I?
Egon Spengler: Yes, have some.
Lewis Tully: Yes, have some!
Winston: I gotta tell you, these things are real. Since I've joined these men, I have seen shit that'll turn you white!
Peter Venkman: I get it! Oh! Very cute. Whatever we think of. If we think of J. Edgar Hoover, J. Edgar Hoover's gonna appear and destroy us.
Answer: Chevy Chase, John Candy, Danny DeVito, Peter Falk, Mellisa Gilbert, Carly Simon, Teri Gar, and George Wendt, along with the four major stars of Ghostbusters themselves.