Rosabell Laurenti Sellers (born March 27 1996) is an Italian-American actress. She is best known for appearing in the film The Whistleblower alongside Rachel Weisz and Liam Cunningham. In Game of Thrones she is playing the part of Tyene Sand in the fifth season. She was born in California but grew up in New York City, where she started acting when she was eight years old in 2004. Later that same year she moved to Italy with her family, where she worked on several Italian film and television projects for the next ten years until she was cast in Game of Thrones.