Lost alum Evangeline Lilly is joining the cast of The Hobbit. The actress will play the Woodland Elf, Tauriel, director Peter Jackson announced on Facebook. Lilly joins Orlando Bloom, Elijah Wood, Sir Ian McKellan, Cate Blanchett, Christopher Lee, Hugo Weaving and Andy Serkis who are all reprising their Lord of the Rings characters in the prequel. The first of the two films, The Hobbit: An Unexpected Journey hits theaters December 14, 2012. The second installment, The Hobbit: There and Back Again will be filmed back-to-back with the first, it will arrive in theaters on December 13, 2013.