Dreamworks Pictures has unveiled the first video from the set of D.J. Caruso's sci-fi action adventure I Am Number Four starring Alex Pettyfer and Timothy Olyphant. Take a look behind-the-scenes below...

A story about a group of nine earthbound aliens who escaped their planet just before it was annihilated by a rival species. Hiding out on Earth, disguised as a human teenager in high school, the title character discovers that he is being hunted by the enemy that destroyed his planet.

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Brian B.