This British-American high fantasy film directed by Ron Howard starred an English actress and writer who co-created and starred in what ITV series?
Willow (film): Willow is a 1988 British-American high fantasy film directed by Ron Howard, produced and with a story by George Lucas, and starring Warwick Davis, Val Kilmer, Joanne Whalley, Jean Marsh, and Billy Barty. Jean Marsh: Jean Lyndsey Torren Marsh, {'1': ", '2': ", '3': ", '4': "} (born 1 July 1934) is an English actress and writer. 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.
Upstairs, Downstairs