Emma Roberts, Alison Brie, Anthony Anderson -- there's lots of new meat, er, actors on tap for the horror sequel. Find out who's who...before they're gone.
Best known for playing indestructible teen Claire Bennet on NBC's cult series Heroes, Panettiere portrays a much more normal high schooler in Scream 4. Her sharp-witted Kirby is also a closet movie buff.
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