'' 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
2015 Sundance Film Festival
2015 Sundance Film Festival
Sleeping with Other People