The film will be an adaptation of the young-adult science fiction book by James Frey and Jobie Hughes.
Palmer will play the role of Number Six. She is one of nine aliens who has escaped their home planet before it was annihilated by a rival species. They then come to Earth disguised as human high schoolers.
Alex Pettyfer is going to play the title role of Four. Sharlto Copley will be Alex Pettyfer's guardian and mentor.
Michael Bay is producing this project with Steven Spielberg. Al Gough and Miles Millar (Smallville) wrote the screenplay.
I Am Number Four was released February 18th, 2011 and stars Alex Pettyfer, Timothy Olyphant, Teresa Palmer, Dianna Agron, Callan McAuliffe, Kevin Durand, Jake Abel, Jeff Hochendoner. The film is directed by D.J. Caruso.