Ruby Ashbourne Serkis

Ruby Ashbourne Serkis is an English actress. On television, she is known for her roles in the Netflix series The Letter for the King, the UKTV series I, Jack Wright (2025–) and the Apple TV+ series Star City (2026).

Early life and education Ruby Ashbourne Serkis was born in Hackney, east London, to actors Andy Serkis and Lorraine Ashbourne. She grew up in north London with her younger brothers Sonny and Louis, both of whom are also actors.

Career Ashbourne Serkis began her career with small cameos before landing the titular role in the 2015 BBC One television film adaptation of Laurie Lee's memoir Cider with Rosie, for which she received critical acclaim. The following year, she portrayed a young version of Susan Lynch's character in the Channel 4 miniseries National Treasure.

She returned to television in 2020 as Lavinia in the Netflix fantasy series The Letter for the King, an English-language adaptation of the Dutch book by Tonke Dragt.

Ashbourne Serkis appeared opposite Alice Englert in the first episode of the crime drama The Serpent in 2021. In the same year, she and her brother Sonny played siblings in the film La Cha Cha. Although the film received mixed reviews, her performance was praised. In 2022, Ashbourne Serkis appeared in Peter Farrelly's biographical film The Greatest Beer Run Ever for Apple TV+.

In 2022, she portrayed a young Amy Robsart in the Starz historical drama Becoming Elizabeth.

Ashbourne Serkis played Emily Wright in the 2025 drama series I, Jack Wright. In David Hare's play Grace Pervades, she played Edith Craig in 2025 at Theatre Royal, Bath, and transferred in 2026 to the Theatre Royal, Haymarket.

Filmography Film

Television Year Title Role Notes 2015 Cider with Rosie Rosie Television film 2016 National Treasure Young Christina Miniseries; episodes 2 and 4 2020 The Letter for the King Lavinia Main role; 6 episodes 2021 The Serpent Celia Wilson Miniseries; episode 1 2022 Becoming Elizabeth Amy Robsart Miniseries; episodes 6–8 2024 Shardlake Alice Miniseries; 4 episodes 2025–present I, Jack Wright Emily Wright Main role; 6 episodes 2026 Star City Tanya Mironova Main role

Audio Year Title Role Notes 2018 In Here Ruby BBC Radio 4