Annabelle Wallis has signed on for James Wan's upcoming thriller, which is still shrouded (for the most part) in mystery. This marks the second time Wallis and Wan have joined forces. Their first collaboration happened in 2014 with The Conjuring spinoff Annabelle, which starred Wallis. Wallis is coming off a supporting role on the Roger Ailes-focused Showtime drama The Loudest Voice where she played Fox News staffer Laurie Luhn. Variety was one of the first outlets to break the news of her casting. Details on Wan's film have slowly emerged since the project was first announced in …

James Wan casts The Mummy and Annabelle star Annabelle Wallis in his next original horror project (which begins production in the fall).