Emma-Louise Corrin (born December 13, 1995) is an English actress. She portrayed Diana, Princess of Wales in the fourth season of the Netflix historical drama The Crown (2020), for which she won a Golden Globe and were nominated for a Primetime Emmy Award. She has 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, she played Cassandra Nova in the superhero film Deadpool & Wolverine.