Dianna Agron: I Am Number Four

Dianna Agron will make her feature debut as the female romantic lead opposite "Beastly" star Alex Pettyfer in the sci-fi film "I Am Number Four," according to The Hollywood Reporter.

Though her character's name has not been released, Agron will reportedly play "a girl dating a high school jock who falls for Number Four (Pettyfer) and becomes his confidant." The cast already includes Teresa Palmer, who will play the character Number Six, and "District 9" star Sharlto Copley, who will play Four's mentor.

The film is an adaptation of the not-yet-released young-adult sci-fi novel of the same name by James Frey and Jobie Hughes. It follows a group of nine aliens who hide out on Earth after their own planet, Lorien, is destroyed by a rival race of aliens. The nine who escape are all teenagers who are beginning to develop special powers. The titular Number Four disguises himself as a high schooler while he and the rest of the survivors assimilate, but he then discovers they are still being hunted by their enemy race.