Emma-Louise Corrin (born 13 December 1995) is an English actor. They 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.