Elisabeth Sladen

Elisabeth Clara Miller, known professionally as Elisabeth Sladen, was an English actress. She was best known for her recurring role as Sarah Jane Smith in Doctor Who from 1973 to 1976, alongside Jon Pertwee and Tom Baker, before reprising the role with David Tennant between 2006 and 2010 and in spin-offs K-9 and Company (1981) and The Sarah Jane Adventures (2007–2011).