The actress that played Rose Buck in "Upstairs, Downstairs" also played what chacter in the tv series "Doctor Who"?
Sara Kingdom: Sara Kingdom is a fictional character played by Jean Marsh in the long-running British science fiction television series "Doctor Who". Jean Marsh:  Marsh co-created and starred in the ITV series "Upstairs, Downstairs" (1971–75), for which she won the 1975 Emmy Award for Outstanding Lead Actress in a Drama Series for her performance as Rose Buck.
Sara Kingdom