Thomasin Harcourt McKenzie was born in Wellington, New Zealand, to actress Miranda Harcourt and director Stuart McKenzie. She is the granddaughter of actress Dame Kate Harcourt and Peter Harcourt. Peter's family founded the real estate company Harcourts International in Wellington. She has an elder brother and a younger sister, actress Davida McKenzie. She completed her secondary education at Samuel Marsden Collegiate School in 2018. After a good role in The Hobbit: The Battle of Five Armies, she rose to critical prominence 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, she played the lead role as Eloise, a wide-eyed woman from Cornwall in Edgar Wright's psychological horror film Last Night in Soho.

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Matthew Beard, Scott Handy, Viola Prettejohn, Amanda Seyfried, Thomasin McKenzie, Stacy Martin, and Lewis Pullman in The Testament of Ann Lee (2025)

Damian Lewis, Emma Laird, Katherine Waterston, and Thomasin McKenzie in Fackham Hall (2025)

Tom Felton, Damian Lewis, Ramon Tikaram, Nathan McMullen, and Thomasin McKenzie in Fackham Hall (2025)

Thomasin McKenzie and Ben Radcliffe in Fackham Hall (2025)

Sue Johnston, Damian Lewis, Tim McMullan, Emma Laird, Katherine Waterston, Nathan McMullen, Thomasin McKenzie, and Ben Radcliffe in Fackham Hall (2025)

Tom Felton and Thomasin McKenzie in Fackham Hall (2025)

Tom Felton, Damian Lewis, Katherine Waterston, and Thomasin McKenzie in Fackham Hall (2025)

Thomasin McKenzie in Last Night in Soho (2021)

Terence Stamp and Thomasin McKenzie in Last Night in Soho (2021)

Ben Foster and Thomasin McKenzie in Leave No Trace (2018)

Sam Rockwell, Taika Waititi, Scarlett Johansson, Stephen Merchant, Alfie Allen, Rebel Wilson, Thomasin McKenzie, and Roman Griffin Davis in Jojo Rabbit (2019)

Terence Stamp, Matt Smith, Michael Ajao, Thomasin McKenzie, and Anya Taylor-Joy in Last Night in Soho (2021)

'Last Night in Soho' Star, Director, and Writer Ask Each Other Anything

Thomasin McKenzie

Thomasin McKenzie

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