Sleeping with Other People is a 2015 American romantic comedy film directed and written by Leslye Headland. The film stars Jason Sudeikis, Alison Brie, Natasha Lyonne, Amanda Peet, and Adam Scott. Premiering at the 2015 Sundance Film Festival on January 24, 2015, the film was released theatrically on September 11, 2015, by IFC Films.