Planet 51 is a 2009 animated science fiction comedy film directed by Jorge Blanco from a script by Joe Stillman, and starring the voices of Dwayne Johnson, Justin Long, Jessica Biel, Gary Oldman, Seann William Scott, John Cleese and Freddie Benedict. An inversion of classic alien invasion and first contact premises, the film follows a human astronaut who lands on an alien planet and is hunted as an "invader", while one of the aliens and his friends try to help him return home.