In 2011 , Williams made her professional acting debut as Arya Stark , a tomboyish young girl from a noble family , in the HBO fantasy drama television series '' Game of Thrones '' . Chosen from a pool of 300 actresses across England , Arya was Williams ' first role in any professional capacity . She has received critical acclaim for her performance in the series . In July 2018 , she announced the completion of her role in series . The final episode aired in May 2019 . Williams also gained praise for her performance in the show 's second season , and HBO submitted her for consideration in the Outstanding Supporting Actress category for the 2012 Primetime Emmy Awards , although she did not receive a nomination . She won the 2012 Portal Award for Best Supporting Actress – Television , and the Portal Award for Best Young Actor . At 15 years of age , Williams was the youngest actress ever to win in the Best Supporting Actress category
2012 Primetime Emmy Awards
64th Primetime Emmy Awards
Maisie Williams