Harold Siddons is a descendant of which Welsh-born actress?
Harold Siddons Harold Siddons (17 September 1922 – 4 November 1963) was a British film and television actor, appearing in "Genevieve", "The Dam Busters", "Appointment in London", "They Who Dare", "The Purple Plain", "Quatermass and the Pit", "A Night To Remember" and "The Wrong Arm of the Law". He was an RAF pilot during the Second World War and a descendant of Sarah Siddons.
Helen McCrory Helen Elizabeth McCrory, {'1': ", '2': ", '3': ", '4': "} (born 17 August 1968) is an English actress.