British actress known for her role as Sasha Valentine on the popular soap opera Hollyoaks. She was later cast as Missandei in the third season of the popular HBO series Game of Thrones. In 2019, she began starring in Hulu's Four Weddings and a Funeral. She also starred as Harriet in The Maze Runner Series.
She began her acting career by appearing in a Vodafone commercial.
She played the role of Nala in the London West End production of The Lion King.
She and her sister Louise grew up in Southend-on-Sea, England.
She and Maisie Williams have both appeared on HBO's Game of Thrones.