Bella Ramsey made their professional acting debut as fierce young noblewoman Lyanna Mormont in Season 6 of HBO's Game of Thrones, a role that quickly became a fan favorite and saw Bella return for the next 2 seasons. Bella will be returning to HBO as the leading role of 'Ellie Williams' in their new flagship show The Last of Us opposite Pedro Pascal. Bella is also known for playing the titular character Mildred Hubble in the newest adaptation of 'The Worst Witch' for which they won the Young Performer BAFTA in 2019. Bella lends their voice to 'Hilda,' an award winning animation series for Netflix. Bella was recently on screens in the second season of BBC/HBO's adaptation of His Dark Materials.
On the big screen, Bella was recently seen as the titular role in Lena Dunham's feature film Catherine, Called Birdy. In 2020, Bella had a leading role alongside Jesse Eisenberg in the Marcel Marceau biopic "Resistance." In 2019, Bella starred opposite Renée Zellweger, playing her daughter Lorna Luft, in the biopic film 'Judy.' Other film work includes Two For Joy opposite Samantha Morton and Billie Piper, and Holmes and Watson with Will Ferrell. Bella's short films include Zero, On The Beaches, Three Minutes of Silence and Requiem.
Bella is an ambassador for Greenpeace and Young Minds, and a patron for Bamboozle Theatre Company.
The Last of Us(2023)as Ellie Williams
The Sheep Detectives(2026)as Zora
Sunny Dancer(2026)as Ivy
Chicken Run: Eggstraction(2025)as Molly
Catherine Called Birdy(2022)
Hilda(2018)
The Celebrity Traitors(2025)as Self - Contestant
83rd Golden Globe Awards(2026)as Self - Nominee
The 31st Annual Critics' Choice Awards(2026)as Self - Nominee
Soccer Aid(2006)as Self - Player
Jimmy Kimmel Live!(2003)as Self - Guest
The Critical Drinker(2012)as Ellie, Self
Robot Head(2018)as Ellie
Mr Grizzy(2016)as Self
Tyrone Magnus(2012)as Self
Josiah Rises(2018)as Ellie
