Raquel Cassidy played Miranda Cleaves and her Ganger doppelgänger in the Doctor Who story The Rebel Flesh/The Almost People. She also played Mesca in the Big Finish Doctor Who audio story The Judgement of Isskar, Inquisa in Paradoxicide, Destiny Gray in Question Marks and Dr Alison Foster in Destination: Nerva. She had a recurring role as Guinevere Godiva in the fifth series of Jago & Litefoot.
Doctor Who is her second television series with Matt Smith. She portrayed Jo Porter in the British series Party Animals.