Sheila Mercier (born 1st January 1919) is an English actress and the elder sister of actor Brian Rix. She was born in Kingston upon Hull, England, United Kingdom. After education at the French Convent, Hull and Hunmanby Hall, Yorkshire, she trained for the stage at the Stratford-upon-Avon College of Drama. Mercier had a long career on stage prior to her television career. Donald Wolfit had talent spotted her and she toured with Wolfit's own Shakespeare company in 1939. During the Second World War she joined the WAAF division of the Royal Air Force, eventually becoming adjutant. Mercier appeared in supporting roles in a handful of films, and the television series Dial RIX (1963) alongside her husband, Peter Mercier.