I Am Number Four is a 2011 American teen science fiction action thriller film directed by D. J. Caruso and starring Alex Pettyfer, Timothy Olyphant, Teresa Palmer, Dianna Agron, and Callan McAuliffe. The screenplay, by Alfred Gough, Miles Millar, and Marti Noxon, is based on novel of the same name, one of the Lorien Legacies young adult science fiction novels.
Produced by Michael Bay, I Am Number Four was the first film production from DreamWorks Pictures to be released by Touchstone Pictures, as part of the studio's 2009 distribution deal with Walt Disney Studios Motion Pictures. The Hollywood Reporter estimated the budget to be between $50 million and $60 million. The film was released in both conventional and IMAX theatres on February 18, 2011, received generally negative reviews, and grossed $150 million.