Olivia Kate Cooke (born 27 December 1993) is an English actress. Since 2013, she has co-starred as Emma Decody in the A&E drama-thriller television series Bates Motel. Prior to this, she appeared in the BBC miniseries' Blackout and The Secret of Crickley Hall. In 2014, Cooke starred in three supernatural thriller films: The Quiet Ones, The Signal, and Ouija. These roles have given her the reputation of a contemporary scream queen. In 2015, she played the female lead, Rachel Kushner, in the comedy-drama Me and Earl and the Dying Girl.