by Leyla MohammedBuzzFeedBuzzFeed StaffAs a Celebrity Reporter, I cover everything from fashion and award shows to TV, film, and cultural conversations. Sophie Turner was just 15 when she first appeared as Sansa Stark in HBO's graphic fantasy series Game of Thrones. HBO / Via youtube.com The actor, who appeared in some of the show's most harrowing scenes, has been open about how she "developed a coping mechanism" on set to help her handle the heavy subject matter.