'Tully,' a 2018 American comedy-drama film, follows a mother of three and her night nanny as they form a connection. Charlize Theron, Mackenzie Davis, Ron Livingston, and Mark Duplass feature in the film. Following Juno (2007) and Young Adult (2011), which both starred Theron, this is the third collaboration between director Jason Reitman and writer Diablo Cody.