Caroline Blakiston

Caroline Georgiana Blakiston (born 13 February 1933) is an English actress. She is best known in her native United Kingdom for her role in the television comedy series Brass, to international audiences as Mon Mothma in the Star Wars film Return of the Jedi, and Aunt Agatha in Poldark.
Blakiston was born in London, the younger daughter of archivist—"the most widely known archivist of his generation in England"—and author Hugh Noel Blakiston (1905–1984), and (Rachel) Georgiana (1903–1995), daughter of barrister Harold John Hastings Russell (a descendant of the 6th Duke of Bedford) and Lady Victoria Alberta Leveson-Gower, whose father was the statesman Granville Leveson-Gower, 2nd Earl Granville. The Blakiston family originated in County Durham, and were related to the Blakiston baronets.
Blakiston attended RADA.