[1] Ashbourne Serkis began her career with small cameos before landing a titular role in the 2015 BBC One television film adaptation of Laurie Lee's memoir Cider with Rosie, for which she received critical acclaim.
[2] The following year, she portrayed a young version of Susan Lynch's character in the Channel 4 miniseries National Treasure.
[3] Ashbourne Serkis returned to television in 2020 as Lavinia in the Netflix fantasy series The Letter for the King, an English-language adaptation of the classic Dutch book by Tonke Dragt.
[4] She appeared opposite Alice Englert in the first episode of the crime drama The Serpent.
[6] In 2022, Ashbourne Serkis appeared in Peter Farrelly's biographical film The Greatest Beer Run Ever for Apple TV+[7] and portrayed Amy Robsart in the Starz historical drama Becoming Elizabeth.