Her is a 2013 American romantic science fiction comedy-drama film written, directed, and produced by Spike Jonze. It marks Jonze's solo screenwriting debut. The film follows Theodore Twombly (Joaquin Phoenix), a man who develops a relationship with Samantha (Scarlett Johansson), an intelligent computer operating system personified through a female voice. The film also stars Amy Adams, Rooney Mara, and Olivia Wilde.