In addition to our casting announcement, the MTV blog reports that Nikki Reed (Chain Leter), Cam Cigandet and Michael Welch (All the Boys Love Mandy Lane) have all joined the cast of Catherine Hardwicke’s werewolf-vampire film Twilight. They join the previously announced Kristen Stewart, Robert Pattinson, Justin Chon, Anna Kendrick and Kellan Lutz. The film is about a high school girl named Bella falls in love with a vampire. The new couple leads a rival vampire clan to pursue them and attempt to force her to decide if she, too, wishes to become one of the undead. Summit is planning three films based on the books.