Emma-Louise Corrin (born 13 December 1995) is an English actor. They[a] portrayed Diana, Princess of Wales in the fourth season of the Netflix historical drama The Crown (2020), for which they won a Golden Globe and were nominated for a Primetime Emmy Award. They have since starred in the 2022 romantic drama films My Policeman and Lady Chatterley's Lover, and in the 2023 thriller miniseries A Murder at the End of the World. In 2024, they played Cassandra Nova in the superhero film Deadpool & Wolverine.