Emma Zia D'Arcy is an English actor, known for their roles in the BBC drama Wanderlust (2018), the Amazon Prime series Truth Seekers (2020), and the HBO fantasy series House of the Dragon (2022–present), the latter of which earned them critical acclaim and a Golden Globe Award nomination for playing the lead role of Rhaenyra Targaryen. They have also appeared in the drama films Misbehaviour (2020) and Mothering Sunday (2021).