Mirren Mack

Mirren Mack (born 8 December 1997) is a Scottish actress, known for portraying Kaya on the BBC drama The Nest, Florence in Sex Education, Queenie in the National Theatre’s 2022 production of Small Island, and Merwyn in the Netflix miniseries The Witcher: Blood Origin.

Early life Mack was born in Stirling, Scotland. With sister Molly, she danced at the Glasgow 2014 Commonwealth Games. In year five at High School, Mack attended the Dance School of Scotland's Musical Theatre.

Career Theatre Mack made her professional acting debut in a stage production of Bat Boy as Mayor Maggie, at the Citizen's Theatre, for which she won the Musical Theatre Award and the drama award for her year. In 2022, as Ophelia in the Bristol Old Vic's adaption of Shakespeare's Hamlet. and the same year as Queenie in Small Island at the Royal National Theatre in London. In 2020, Mack was cast in her first leading role as Kaya on the BBC drama series The Nest alongside Martin Compston and Sophie Rundle. Mack came out of Covid lockdown to appear in the seventh series of Portrait Artist of the Year on Sky Arts.

Mack began filming of the Netflix miniseries The Witcher: Blood Origin in August 2021, set in a time 1,200 years before The Witcher, and appeared in a main role as Princess Merwyn in a cast that includes Lenny Henry, Laurence O'Fuarain and Michelle Yeoh. The series was released on Netflix on 25 December 2022.

In 2024, she appeared as Katherine Villiers, Duchess of Buckingham in three episodes of the Sky Atlantic period drama Mary & George.

In September 2025, Mack was cast as Lucie Manette in the upcoming BBC One miniseries A Tale of Two Cities, adapted from the novel of the same name by Charles Dickens.

Filmography

Film Year Title Role Notes2021 Ladybaby Rose Short film Mudlarks Ansel Short film directed by Dominic Gilday 2026 Lucie Manette Main role Recurring role

Stage Year Title Role Director/writer/venue 2016 Bat Boy Mayor Maggie Graham Dickie2017 The Seagull Arkadina Wyn Jones The Relapse Amanda Jonathan Humphreys Talk to the Dog Girl Ellis Howard Orphans Helen Brodie Ross

Awards and nominations