Winter is coming… and so is the rise of young British actress Maisie Williams. Known for her role as Arya Stark on HBO’s global sensation Game of Thrones, Williams engages with her devoted fans through her Twitter and Instagram at @maisie_williams. To celebrate her first million Twitter followers in 2015, she launched a YouTube channel, posting a revealing Q&A video, answering fans’ questions about everything from having healthy friendships to handling fame. Williams also recently landed a few guest appearances on the British series Doctor Who, fueling her already loyal Comic Con fan following.