Petra Davies (born 24 July 1930) is a British actress. She trained at RADA between 1947 - 1949. She has had many television appearances and has worked in films and theatre. Her TV roles included appearances in Vanity Fair, Precious Bane, Destination Downing Street, Emma, ITV Play of the Week, Dolly, Z-Cars, Crown Court and General Hospital. Her films have included Four Days (1951), Operation Amsterdam (1959) and The Silent Invasion (1962).
She married the actor, the late Jack May in 1957 and has two children, Henrietta and David.