· before they were ellie from the last of us, bella ramsey appeared in game of thrones , another acclaimed hbo tv show, as a very important character. The part is ramsey s first credited role. They won the role of lady lyanna mormont, a young girl who leads the noble house mormont with preternatural poise and authority. Bella ramsey made their professional acting debut as fierce young noblewoman lyanna mormont in season 6 of hbos game of thrones , a role that quickly became a fan favorite and saw bella return for the next 2 seasons. They also share their upcoming projects and their passion for storytelling. · bella ramsey, who played lyanna mormont in game of thrones, looks back on their career journey and the impact of the show. · bella ramsey is a non-binary english actor who first generated attention for their breakout role on the hbo fantasy series game of thrones , in which they portrayed the young noblewoman. · in season 6 of game of thrones , ramsey joined the cast as lyanna mormont, the lady of bear island, and audiences everywhere were introduced to one of the shows best characters played by. From 2016 to 2019, ramsey portrayed lyanna mormont in the hbo fantasy drama television series game of thrones. · a year later the organization helped ramsey secure an audition for the hit hbo fantasy series game of thrones , based on the books by george r. r.