English actress best known for her role as Lady Julia Flyte in the television serial Brideshead Revisited.
She attended Lady Margaret Hall, Oxford and was the first female president of the Dramatic Society for Oxford University.
She researched a book about her paternal family from India entitled A Tug on the Thread: From the British Raj to the British Stage and it was published in 2009.
She was married to Kenneth Cranham from 1974 to 1978, and she has one daughter with long time partner Bill Nighy.
She dated actor Albert Finney for seven years.