From Twilight Lexicon:
MTV has a poll up that does a really good rundown of the movies releasing within the next year that have Twilight stars as part of the cast. Some are starring roles like Kristen Stewart in On the Road and others are feature roles like Jamie Campbell Bower in Harry Potter and the Deathly Hallows.
Here are some trailers with the choices
Cam Gigandet in Priest
Jamie Campbell Bower in Harry Potter
The Girlfriend Jackson Rathbone
Head over to MTV and vote for your favorite.