She has been married to Edward Fox since 2004. David is best known for her television roles and has stared in many shows including The Adventures of Sherlock Holmes, Miss Marple, Foyle's War, Rumpole of the Bailey and Inspector Morse. They have two children. She is an actress and producer, known for Pride and Prejudice (1995), You Will Meet a Tall Dark Stranger (2010) and War & Peace (1972). Gary Carr will portray the show's first black character, Jack Ross, a jazz singer. Behind the Scenes Edit. When Joanna David makes her grand entrance tonight in Downton Abbey, it will be a high-profile return to Sunday-night television for the theatrical matriarch who has had a difficult time of late. Joanna David (born as Joanne Hacking on 17th January, 1947; Lancaster, England) makes a cameo appearance as the Duchess of Yeovil in series four of Downton Abbey.. Lewis isn't the only new face popping up on "Downton Abbey." Joanna David, Actress: Pride and Prejudice. Joanna David was born on January 17, 1947 in Lancaster, England as Joanne E. Hacking. Other new cast additions include Tom Cullen, Nigel Harman, Dame Harriet Walter, Joanna David, Julian Ovenden and Dame Kiri Te Kanawa.