According to Variety, Jessica Biel has joined Dwayne Johnson, Justin Long and Seann William Scott as the lead voices in Planet 51, New Line Cinema’s first venture into the world of CGI-animated films. Written by Joe Stillman and directed by Jorge Blanco, Planet 51 tells the story of a planet whose inhabitants live in fear of an alien invasion. Their paranoia is realized when astronaut Charles Baker arrives from Earth. Befriended by a young resident, the astronaut has to avoid capture in order to recover his spaceship and return home. The film will be completed by March 2009 and is currently scheduled for a July 24th, 2009, release date.