Thomasin McKenzie

Thomasin Harcourt McKenzie (born 26 July 2000) is a New Zealand actress. After a minor role in The Hobbit: The Battle of the Five Armies (2014), she rose to critical prominence for playing a young girl living in isolation in Debra Granik's drama film Leave No Trace (2018), winning the National Board of Review Award for Breakthrough Performance.

McKenzie continued gaining recognition in 2019 with supporting roles in the period films The King and True History of the Kelly Gang, as well as for her role as the Jewish girl Elsa Korr in the satirical film Jojo Rabbit. In 2021, she starred in M. Night Shyamalan's thriller Old and Edgar Wright's psychological horror film Last Night in Soho, and featured in Jane Campion's western film The Power of the Dog. She has since played the title role in the thriller Eileen (2023), embryologist Jean Purdy in the biographical drama Joy (2024), Mary Partington in the historical musical drama The Testament of Ann Lee (2025), and Rose Davenport in the period satirical comedy Fackham Hall (2025).