My first recommendation I want to bring to your attention is my favorite movie of all time. With the thousands and thousands of movies I could pick for my favorite this movie stands out from the bunch.
Director: Jonathan Lynn
Writers: John Landis, Jonathan Lynn
Cast: Tim Curry, Leslie Ann Warren, Madeline Kahn, Christopher Lloyd, Martin Mull, Eileen Brennan, Michael McKean, Colleen Camp, and Lee Ving.
Plot: Six guest, strangers to each other are invited to an old mansion for a dinner party hosted by a butler who later involves them in solving the murder of Mr. Boddy.