Sarah Sutton

Sarah Sutton (born 12 December 1961 in Basingstoke, Hampshire, England) is an English actress. She is well known for her role as Nyssa in the BBC television series "Doctor Who". Nyssa was a companion of Tom Baker and Peter Davison's Doctors from 1981 to 1983. She was the youngest female actor to play a companion in the series.
Since leaving "Doctor Who" she has done very little acting. She has made appearances as Sarah Dryden in the BBC's medical drama series "Casualty" and as Wendy in the serial "Unnatural Pursuits". Earlier roles were "Alice Through the Looking Glass" (1974) as Alice, "The Moon Stallion" (1978) as Diana Purwell and "The Crucible" (1980) as Susannah Walcott.