Guest Stars Amelia Bullmore as The Dowager Duchess of Tintagel Shobhit Piasa as Miles Dawnley Simone Kirby as Miss Laura Testvalley Fenella Woolgar as Lady Brightlingsea Anthony Calf as Lord Brightlinsea Seylan Baxter as Mrs. Gilmour Karen Bartke as Lady at Tintagel Ball Fiona Forster as Tintagel Maid