'Twilight' stars: then and now
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Jackson Rathbone( A&E / Wireimage )
Jackson Rathbone (Jasper Hale)
Then: Rathbone's face may seem familiar to "Twilight's" teen fans. The 23-year-old was a guest star on "The O.C." and had a regular role on ABC Family's mother-daughter drama "Beautiful People."
Now: The actor most recently played the troubled Joey on an episode of A&E's addiction drama "The Cleaner." He's also set to star in "S. Darko," a sequel to "Donnie Darko."