English stage, film and television actress best known for playing the leading role of many BBC television shows including The Forsyte Saga.
She grew up in Greater London and graduated from the Royal Academy of Dramatic Art.
She won a 1982 Laurence Oliver Theatre Award in the Best Actress in a Revival category for her role in Who's Afraid of Virginia Woolf?
She was married to Alan R. Stephenson from 1958 until her death in 2011 and they had one son, Matthew.
She appeared in the Woody Allen film Match Point in 2005.