Elisabeth Sladen

Elisabeth Clara HeathSladen was an English actress best known for her role as Sarah Jane Smith in the British television series Doctor Who. She was a regular cast member from 1973 to 1976, alongside both Jon Pertwee and Tom Baker, and reprised the role many times in subsequent decades, both on Doctor Who and its spinoffs, K9 and Company and The Sarah Jane Adventures.

Elisabeth Clara HeathSladen was bornFebruary 1946 in Liverpool, England. Sladen was the only child of Tom Sladen, who fought in the First World War and served in the Home Guard during the Second World War, and Gladys .

Source: Wikipedia