Teresa Palmer boards 'I Am Number Four'

Teresa Palmer has joined the cast of D.J. Caruso's upcoming film "I Am Number Four," the big-screen adaptation of the book by James Frey and Jobie Hughes. She's joining Alex Pettyfer and Sharlto Copley in the film Michael Bay and Steven Spielberg are producing. Al Gough and Miles Millar wrote the script.

The story follows nine alien teenagers who are sent to high school on Earth after their planet is destroyed. One of them then discovers he's targeted by a ruthless enemy from his planet. Heat Vision says Palmer will play Number Six, one of the aliens. Copley will play the lead character's guardian and mentor.

Palmer will soon be seen in "The Sorcerer's Apprentice." She's also got "Fury Road" and "Young Americans" coming soon. Her recent credits include "Bedtime Stories" and "The Grudge 2."