EXCLUSIVE: The Weinstein Company‘s Vampire Academy: Blood Sisters has added the final pieces to its casting puzzle. Modern Family‘s Sarah Hyland and Vikings’ Gabriel Byrne will now also be sinking their teeth into the movie based on the books by Richelle Mead. Byrne will play Victor, one of the leaders of the Academy while Hyland will play Natalie, Victor’s daughter and the best friend of the lead Rose and Lissa characters. Lucy Fry and Zoey Deutch have already been announced as Lissa and Rose. The Girl With The Dragon Tattoo’s Joely Richardson and Dominic Sherwood have also joined the film. Richardson will play Queen Tatiana, leader of the Moroi Vampires. Sherwood will be playing Christian, Lissa’s love interest. These latest cast additions come on the heels of the announcement last week that Sami Gayle (Blue Bloods), Cameron Monaghan (Shameless), Ashley Charles (White Buffalo) and Claire Foy (White Heat) had joined the ensemble cast. The film also stars Oblivion’s Olga Kurylenko and Danila Kozlovski. Mead’s best-selling books tell the tale of Rose Hathaway, a teen who has a mental and spiritual bond with her vampire best friend Lissa. The two attend a special school for vampires who are attempting to keep some of their humanity while other of their species are becoming more wild. Filming on Vampire Academy is scheduled to start next week. Byrne is repped by Paradigm. Hyland is repped by WME and RKM and attorney Lev Ginsburg.