Sul sito della Meyer c'è la lista del cast ufficiale
Bella - Kristen Stewart
Edward - Robert Pattinson
Charlie - Billy Burke
Alice - Ashley Greene
Rosalie - Nikki Reed
Jasper - Jackson Rathbone
Emmett - Kellan Lutz
Carlisle - Peter Facinelli
James - Cam Gigandet
Jacob Black - Taylor Lautner
Jessica - Anna Kendrick
Mike Newton - Michael Welsh
Eric - Justin Chon
Angela - Christian Serratos
Billy Black - Gil Birmingham
Esme - Elizabeth Reaser
Laurent - Edi Gathegi
Victoria - Rachelle Lafevre
Rene - Sarah Clarke
Tyler - Gregory Tyree Boyce
Waylon Forge - Ned Bellamy
Phil - Matt Bushnell
Mr. Molina - Jose Zuniga
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