Miranda Katharine Hart Dyke (born 14 December 1972), known professionally as Miranda Hart, is an English actress, writer and stand-up comedienne. She writes and stars in the BBC sitcom Miranda. She also appeared in French and Saunders, the BBC television series Hyperdrive and her semi-autobiographical sitcom Miranda Hart's Joke Shop on BBC Radio 2. In 2012, she began appearing in the BBC drama Call the Midwife as Camilla (Chummy) Fortescue-Cholmondeley-Browne.