Inception is a 2010 science fiction heist thriller film written, produced, and directed by Christopher Nolan. The film stars a large ensemble cast that includes Leonardo DiCaprio, Ellen Page, Joseph Gordon-Levitt, Marion Cotillard, Ken Watanabe, Tom Hardy, Dileep Rao, Cillian Murphy, Tom Berenger, and Michael Caine. DiCaprio plays a professional thief who commits corporate espionage by infiltrating the subconscious of his targets.