Isabella Brownson

Isabella Kirby Brownson (born 1998) is an English actress. On television, she is known for her roles in the Amazon Prime series My Lady Jane and the BBC One series The Capture (2026). She also appeared in the film Napoleon (2023).

Early life Brownson is from Carlisle, Cumbria. Her mother Grace Kirby is also an actress. Brownson joined the local youth theatre company StagedRight Productions. She went on to graduate from the Guildhall School of Music and Drama in 2019 with a Bachelor of Arts (BA) in Acting.

Career Brownson made her television debut as Malcolm Shepherd's (Mark Cox) daughter Kayleigh in an episode of the 2022 Amazon Prime thriller series The Devil's Hour. In 2023, she made her feature film debut portraying Hortense de Beauharnais, daughter of Empress Joséphine, in the Ridley Scott historical epic Napoleon.

In 2024, Brownson had her first major television role portraying Lady Katherine Grey in the Amazon Prime alternate history fantasy series My Lady Jane. That same year, she appeared in the play Talking People at the Bush Theatre as Joan. Brownson joined the cast of BBC One drama The Capture for its third series as Paige Thomas.

Filmography Film Year Title Role Notes 2014 Faith Hope and Charity Short film 2021 The Honoree Leonore Short film 2023 Teenage Love Forever Girl Short film, voice Napoleon Hortense de Beauharnais

Television Year Title Role Notes 2022 The Devil's Hour Kayleigh Shepherd Episode: "The Half of Ourselves We Have Lost" 2024 My Lady Jane Lady Katherine Grey 8 episodes 2026 The Capture Paige Thomas Series 3 TBA The Party

Stage Year Title Role Notes 2024 Talking People Joan Bush Theatre, London