Hannah Dominique E. John-Kamen is an English actress. She is best known for her roles as Viva in the West End musical Viva Forever from 2012 to 2013, Yalena "Dutch" Yardeen in the Syfy television series Killjoys from 2015 to 2019, Ornela in the HBO series Game of Thrones, F'Nale Zandor in the 2018 Warner Bros. film Ready Player One, and the titular character of Netflix's mystery series The Stranger.
For Disney, she portrayed Ghost in the Marvel Cinematic Universe films Ant-Man and the Wasp and Thunderbolts*, and a First Order Officer in Star Wars: The Force Awakens.
