Mia Honey Winslet Threapleton (born 12 October 2000) is an English actress. The daughter of actress Kate Winslet and painter-filmmaker Jim Threapleton, she made her film debut at the age of 13 with a non-speaking cameo in the period drama A Little Chaos (2014). On television, she co-starred with her mother in the episode "I Am Ruth" (2022) of the anthology series I Am..., and starred in the period drama series Dangerous Liaisons (2022) and The Buccaneers (2023). She had her first lead role in a feature film in the black comedy The Phoenician Scheme (2025).
Mia Threapleton has 12 screen credits in a career dating back to 2015. Signature works include The Phoenician Scheme, The Buccaneers, Dropping. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
