Hannah Onslow

Hannah Lucy Onslow (born 1 April 1998) is an English actress. Her films include Empire of Light and Unicorns (2023). On television, she appeared in the BBC One series This Is Going to Hurt (2022) and This City Is Ours (2025), the Paramount+ series The Doll Factory (2023), and the MGM+ series Belgravia: The Next Chapter (2024).

Early life Onslow is from Romford, Greater London. She attended the BRIT School and went on to graduate from the Royal Academy of Dramatic Art (RADA) in 2019 with a Bachelor of Arts degree in Acting.

Career Onslow made her television debut in a 2020 episode of the BBC One series Call the Midwife. The following year, she played Elise in the drama Ridley Road, also on BBC One. In 2022, Onslow made her feature film debut as Janine in Sam Mendes' Empire of Light with Micheal Ward and Olivia Colman, and played patient Erika van Hegen in the BBC One medical drama This Is Going to Hurt.

In 2023, Onslow appeared in the drama film Unicorns as Emma, and had a recurring role portraying Pre-Raphaelite model Elizabeth Siddal in the Paramount+ series The Doll Factory. She has an upcoming role in Helen Edmundson's Belgravia: The Next Chapter for MGM+.

In March 2025, she played the main role of Diana, girlfriend of drug lord wannabe Michael Kavanagh (played by James Nelson-Joyce), alongside Sean Bean, Julie Graham, and Jack McMullen in the BBC One Liverpool-based gangster television series, This City Is Ours (2025).

Onslow was cast in the premiere of Helen Edmundson's play Some Woman at the Dorfman Theatre, London, in August 2026.

Filmography Film Year Title Role Notes 2022 Empire of Light Janine 2023 Indiana Jones and the Dial of Destiny Student Unicorns Emma

Television Year Title Role Notes 2020 Call the Midwife Connie Blair 1 episode 2021 Ridley Road Elise Miniseries, 3 episodes 2022 This Is Going to Hurt Erika van Hegen Miniseries, 6 episodes 2023 The Doll Factory Lizzie Siddal 5 episodes 2024 Belgravia: The Next Chapter Emily Dunn Miniseries 2025 This City Is Ours Diana Main role; 8 episodes