Tegan Lauren-Hannah Murray (born 1 July 1989) is an English actress. She played Cassie in Skins (2007–2008, 2013) and Gilly in the HBO fantasy series Game of Thrones (2012–2019), for which she has been nominated along with her castmates for three Screen Actors Guild Awards. Her film roles include the 2014 musical romance film Stuart Murdoch's God Help The Girl which won her a Special Jury Prize at the Sundance