Her is a 2013 American science-fiction romantic drama film written, directed, and produced by Spike Jonze. The film's musical score was composed by Arcade Fire, with the cinematography provided by Hoyte van Hoytema. It marks Jonze's solo screenwriting debut. The film follows Theodore Twombly (Joaquin Phoenix), a man who develops a relationship with Samantha (Scarlett Johansson), a female voice produced by an intelligent computer operating system. The film also stars Amy Adams, Rooney Mara, and Olivia Wilde.