Olivia Kate Cooke (born 27 December 1993) is an English actress. She is best known for her role as Alicent Hightower in the fantasy drama television series House of the Dragon (2022–present). In television, she has starred as Emma Decody in the thriller Bates Motel (2013–2017), Becky Sharp in the period drama Vanity Fair(2018), and a spy in the thriller Slow Horses(2022).
In films, Cooke has starred in the horror film Ouija(2014), the comedy-drama film Me and Earl and the Dying Girl (2015), the thriller Thoroughbreds(2017), the science fiction film Ready Player One(2018), the comedy thriller Pixie (2020), and the drama Sound of Metal (2020).
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Alicent Hightower
Sidonie 'Sid' Baker
Emma Decody
Art3mis / Samantha
Karla
Loch Ness Monster (voice)
Laine Morris
Becky Sharp
Haley Peterson
Lou
Nancy Linnet
Dylan Dempsey
Lea DeLeon
Rachel Kushner
Georgia Holden (voice)
Meg Demoys
Jane Harper
Lizzie Cree
Emma
Paige
Amanda
Pixie
Alicent Hightower
Katie
Self
Cherry
Katya
Self
Eleanor
Ruby
Angie
Narrator (English Version)