Viola Prettejohn

Viola Margaret Jane Prettejohn is a British actress. She is known for her role as Myrtle Haplisch in the HBO series The Nevers (2021–2023). She played young Princess Elizabeth in the sixth season of The Crown on Netflix.

Early life and education Prettejohn was born to mother Claire, a lawyer, and father Nick, the chairman of TSB Bank, and grew up in Kensington, London. She attended Garden House School and then St Paul's Girls' School.

Career Prettejohn made her television debut in the second season of the Starz series Counterpart as a young version of Olivia Williams' character Emily.

In August 2019, Prettejohn joined the cast of the Joss Whedon series The Nevers on HBO as Myrtle Hapslich. That year, she also played Fake Ciri in the Netflix television series The Witcher.

In 2023, Prettejohn played a teenage Princess Elizabeth on series six of The Crown in flashback scenes set on Victory in Europe Day alongside Beau Gadsdon as young Princess Margaret. In so doing, she became the fifth actress after Claire Foy, Olivia Colman, Imelda Staunton, and Verity Russell to play Elizabeth on the series. That year, she filmed the role of Finn in Ben Wheatley zombie-satire Generation Z for Channel 4.

She had a role in the BBC One adaptation of Hilary Mantel's Wolf Hall: The Mirror and the Light as Mary FitzRoy, Duchess of Richmond and Somerset. In 2025, she could be seen in Joe Barton historical drama series Amadeus.

Filmography +Key Denotes works that have not yet been released Year Title Role Notes 2018 Counterpart Young Emily Episode: "Point of Departure" 2019 The Witcher Fake Ciri Episode: "Before a Fall" 2021–2023 The Nevers Myrtle Hapslich Main role, 12 episodes 2023 The Crown Young Princess Elizabeth Episode: "Ritz" and "Sleep, Dearie Sleep" 2024 Generation Z Finn Main role, 6 episodes 2024 Wolf Hall: The Mirror and the Light Mary Fitzroy 3 episodes 2025 The Testament of Ann Lee Nancy Lee 2025 Amadeus Princess Elizabeth TBA Brides TBA Filming