Joanna Dunham: Joanna Dunham. Actress: The Advocate. Joanna Dunham was born on 6 May 1936 in Luton, Bedfordshire, England, UK. She was an actress, known for The Advocate (1993), The Greatest Story Ever Told (1965) and The House That Dripped Blood (1971). She was married to Reggie Oliver and Henry A. Osborne. She died on 25 November 2014 in Saxmundham, Suffolk, England, UK.