Thomasin Harcourt McKenzie (born 26 July 2000) is an actress from New Zealand. After a minor role in The Hobbit: The Battle of Five Armies, she rose to critical prominece with the lead role in Debra Granik's 2018 drama film Leave No Trace. After supporting roles in the 2019 films The King, Jojo Rabbit and True History of the Kelly Gang, as well as the 2021 thriller Old, Edgar Wright's psychological horror film Last Night in Soho established her as one of the industry's lead actresses.
Known For
Eileen
Eileen Dunlop
2023
I, Object
Self-Portrait
Lu Rile
Our Party
2025
How Can I Help You
2023
Behind the Scenes With Jane Campion
Self (archive footage)
2022
Fackham Hall
Joy
Jean Purdy
2024
Totally Completely Fine
Vivian Cunningham · (6 episodes)
2023
Pantheon
MIST (voice) · (6 episodes)
2022
Life After Life
Ursula · (4 episodes)
2022
The Power of the Dog
Lola
2021
Last Night in Soho
Eloise Turner
2021
The Justice of Bunny King
Tonyah
2021
Old
Maddox Aged 16
2021
Lost Girls
Sherre Gilbert
2020
Jojo Rabbit
Elsa
2019
The King
Philippa, Queen of Denmark
2019
The Changeover
Rose Keaton
2017
Consent: The Louise Nicholas Story
Young Louise
2014
Grendel
Queen Wealhtheow
True History of the Kelly Gang
Mary Hearn
2019
Leave No Trace
Tom
2018
Jean
Young Jean
2016
The Boyfriend Game
Edith
2015
The Late Show with Stephen Colbert
Self · (1 episode)
2015
The Hobbit: The Battle of the Five Armies
Astrid
2014
Existence
Scraps
2012
Perfect
Kerri Strug
Victorian Psycho
Miss Lamb
Ann Lee
The Rule of Three
Lizzy
