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Sonya Cassidy Filmography
| 2023 | The Hunt for Raoul Moat (TV Series) · as Diane Barnwell |
| 2022 | The Man Who Fell to Earth (TV Series) · as Edie Flood |
| 2022 | Reacher (TV Series) · as Susan Duffy |
| 2020 | Soulmates (2020) (TV Series) · as Alison Jones |
| 2018 | Lodge 49 (TV Series) · as Liz Dudley |
| 2018 | The Woman in White (2018) (TV Series) · as Madam Fosco |
| 2016 | Rillington Place (TV Series) · as Janice |
| 2016 | The Rebel (2016) (TV Series) · as Verity |
| 2015 | The Last Kingdom (TV Series) · as Eadgifu |
| 2015 | Humans (TV Series) · as Hester |
| 2015 | |
| 2015 | Olympus (TV Series) · as Oracle; Pandora |
| 2014 | Breaking the Bank · as Annabel |
| 2014 | The Great Fire (TV Series) · as Catherine Of Braganza |
| 2013 | The Fifth Estate · as Alan's Secretary |
| 2012 | Ripper Street (TV Series) · as Leda Starling |
| 2012 | The Paradise (TV Series) · as Clara |
| 2012 | Endeavour (TV Series) · as Joyce Morse |
| 2011 | Vera (TV Series) · as Celine Ashworth |
| 2007 | The Tudors (TV Series) · as Christine, Duchess Of Milan |
| 2006 | Lewis (TV Series) · as Alison |
| 2000 | Doctors (TV Series) · as Ellen Harkness |
| 1997 | Midsomer Murders (TV Series) · as Beatrice Daniels |