Hannah Dominique E. John-Kamen is an English actress. She is known for her roles as Yalena "Dutch" Yardeen in the Syfy television series Killjoys (2015–2019), F'Nale Zandor in the film Ready Player One (2018), Ava Starr / Ghost in the superhero film Ant-Man and the Wasp (2018), the title character in the Netflix mystery miniseries The Stranger (2020), and Jill Valentine in the film Resident Evil: Welcome to Raccoon City (2021).