Margaret Constance "Maisie" Williams is an English actress. Williams made her acting debut in 2011 as Arya Stark, a lead character in the HBO epic medieval fantasy television series Game of Thrones (2011–2019). She gained recognition and critical praise for her work on the show, and received two Emmy Award nominations. Williams' other television appearances include Ashildr in the BBC science fiction series Doctor Who (2015), starring in the British docudrama television film Cyberbully (2015), and in the British science-fiction teen thriller film iBoy (2017). She played the central character in the comedy action drama miniseries Two Weeks to Live (2020), and portrayed punk rock icon Jordan in Pistol (2022), a biopic about the Sex Pistols. Williams also voiced Cammie MacCloud in the American animated web series Gen:Lock (2019–2021).

Arya Stark is a fictional character in American author George R. R. Martin's A Song of Ice and Fire epic fantasy novel series, and its television adaptation Game of Thrones, where she was portrayed by English actress Maisie Williams. She is a prominent point-of-view character in the novels with the third most viewpoint chapters, and is the only viewpoint character to have appeared in every published book of the series. In later-series POVs, her chapter titles have various names such as Cat of the Canals, The Blind Girl, The Ugly Little Girl and Mercy.