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Biography
Sophie Leigh Stone is an English stage and television actress. She was the first deaf student to win a place at the British drama school Royal Academy of Dramatic Art (RADA). She is best known for her roles as Louise in Two Doors Down and as Cass in Doctor Who. In 2022, she joined the cast of the new Acorn TV detective series The Chelsea Detective, playing the forensics officer Ashley Wilton. She continued to play that role in season 3 in 2025.
Source: Wikipedia · CC BY-SA
Filmography8 titles

The Crown
2016as Princess Alice
2016as Princess Alice

Doctor Who
2005as Cass
2005as Cass

Shetland
2013as Jo Halley
2013as Jo Halley

Midsomer Murders
1997as Gill Templeton
1997as Gill Templeton

Shakespeare & Hathaway: Private Investigators
2018as Katie Harper
2018as Katie Harper

Reunion
2025as Naomi Brennan
2025as Naomi Brennan

The Chelsea Detective
2022as Ashley Wilton
2022as Ashley Wilton

Casualty
1986as Susie Ashby
1986as Susie Ashby