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 . 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.