Emma D’Arcy is a British actress. In 2015, she had her first acting role in a short film called United Strong Alone. Some years later, she starred as Naomi Richards in the television series Wanderlust. After this ended, she had guest acting parts in some TV shows, which include Wild Bill and Hanna. She also starred in the short film titled O Holy Ghost. In 2020, the actress made her feature film debut in Misbehaviour. She then became known for her role as Astrid in the TV series Truth Seekers. D’Arcy recently garnered attention after getting cast for the part of Rhaenyra Targaryen in the upcoming Game of Thrones prequel series House of the Dragon.