• Faith: Unknown
• Career: Actress
• Birthday:  April 15, 1997

Margaret Constance Williams is an English actress best known for her first professional acting role, that of Arya Stark of Winterfell on the HBO series "Game of Thrones." The role has seen her nominated for numerous awards, including a Primetime Emmy, and catapulted her into stardom. In addition to her work on "Game of Thrones," she had a reoccurring role in "Doctor Who" as Ashildr, made her feature film debut in "The Falling" and is set to star in "New Mutants" as Wolfsbane.