Here’s some details from ComingSoon.net :
DreamWorks Pictures is producing I Am Number Four, starring Alex Pettyfer, Timothy Olyphant, Teresa Palmer, Dianna Agron, Kevin Durand, Callan McAuliffe and Jake Abel. Opening in theaters on February 18th, 2011 the action adventure was directed by D.J. Caruso.
The film is about an extraordinary teen, John Smith (Alex Pettyfer), who is a fugitive on the run from ruthless enemies sent to destroy him. Changing his identity, moving from town to town with his guardian Henri (Timothy Olyphant), John is always the new kid with no ties to his past. In the small Ohio town he now calls home, John encounters unexpected, life-changing events—his first love (Dianna Agron), powerful new abilities and a connection to the others who share his incredible destiny.