Mia Honey Threapleton, born on 12 October 2000 in London, is a British actress and the daughter of Kate Winslet and director Jim Threapleton. She began acting at age 13 with a role in A Little Chaos (2014). Her subsequent work includes the lead in Shadows (2020), and roles in Dangerous Liaisons (2022) and The Buccaneers (2023). In 2022, she co-starred with her mother in I Am Ruth. In 2025, she played Sister Liesl in Wes Anderson’s The Phoenician Scheme, marking her breakout role. Threapleton is known for maintaining a low public profile and avoiding social media.

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