Olivia Kate Cooke (born 27 December 1993) is an English actress. From 2013 until 2017, she co-starred as Emma Decody in the A&E drama-thriller series Bates Motel. Cooke has also starred in the horror films The Quiet Ones (2014) and Ouija (2014), the science fiction film The Signal (2014), the comedy-drama Me and Earl and the Dying Girl (2015), the horror-mystery The Limehouse Golem (2016), the thriller Thoroughbreds (2017) and the Steven Spielberg-directed science-fiction film Ready Player One (2018).