The Apartment (1960)

A Manhattan insurance clerk tries to rise in his company by letting its executives use his apartment for trysts, but complications and a romance of his own ensue.

Director: Billy Wilder

Cast: Jack Lemmon, Shirley MacLaine, Fred MacMurray, Ray Walston, Jack Kruschen, David Lewis, Hope Holiday, Joan Shawlee, Naomi Stevens, Johnny Seven, Joyce Jameson, Willard Waterman, David White, Edie Adams, Dorothy Abbott, Bill Baldwin, Paul Bradley, Benny Burt