The 1980 movie directed by Harold Ramis and written by Brian Doyle-Murray, Douglas Kenney, and Ramis. It stars Chevy Chase, Rodney Dangerfield, Ted Knight, Michael O'Keefe and Bill Murray. Currently number 71 on the American Film Institute's list of the 100 funniest American films. Number 2 on Bravo's "100 Funniest Movies"