Rosie Graham (born 29 December 1999) is a Scottish actress. On television, she is known for her roles in the ITV period drama Sanditon (2022) and the BBC Three series Boarders (2024–2026).
Early life Graham grew up in a council flat in Maryhill, Glasgow. Her mother worked as a library assistant. From the age of 6, she took classes at the Citizens Theatre. Graham attended Hillhead High School. She studied performance at Glasgow Clyde College and went on to graduate from the Royal Conservatoire of Scotland.
Career Graham made her television debut in a 2020 episode of the Starz series Outlander. She also appeared on stage in Whatever Happened to the Jaggy Nettles? at the Citizens Theatre.
In 2022, Graham joined the cast of the ITV adaptation of Jane Austen's Sanditon for its second series as Alison Heywood. She made her feature film debut as Millicent in The School for Good and Evil on Netflix and her London stage debut as Princess Rose in the musical Hex at the National Theatre. She also starred in Goldilocks Goes to Greece at Òran Mór in Glasgow.
Graham next portrayed young Calder in a 2023 episode of the crime drama and featured in a Scots language adaptation of The Snow Queen at the Royal Lyceum Theatre in Edinburgh.
In 2024, Graham began playing Florence in the BBC Three teen comedy-drama Boarders. She played George in the Beatles-inspired play There's a Place at Perth Theatre. She returned to Òran Mór for It's a Wonderful Life... Mostly and Outskirts in 2025 and 2026 respectively.
Filmography Film Year Title Role Notes 2018 Guarding Chloe Short film 2022 The School for Good and Evil Millicent Netflix film 2024 End of Infinity Charlotte Short film
Television Year Title Role Notes 2020 Outlander Morna Cameron Episode: "Better to Marry Than Burn" 2022 Sanditon Alison Heywood 6 episodes (series 2) 2023 Shetland Young Calder 1 episode 2024–2026 Boarders Florence 17 episodes
Stage Year Title Role Notes 2020 Whatever Happened to the Jaggy Nettles? Tammy "Baby" Walker Citizens Theatre, London 2022 Goldilocks Goes to Greece Goldilocks Òran Mór, Glasgow Hex Princess Rose National Theatre, London 2023 The Snow Queen Gerda Royal Lyceum Theatre, Edinburgh 2024 There's a Place George Perth Theatre, Perth 2025 It's a Wonderful Life... Mostly Various Òran Mór, Glasgow 2026 Outskirts Dove
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