Guest Stars Amelia Bullmore as The Dowager Duchess of Tintagel Simone Kirby as Miss Laura Testvalley Adam James as Colonel St. George Fenella Woolgar as Lady Brightlingsea Anthony Calf as Lord Brightlinsea Francesca Corney as Jean Hopeleigh Nancy Crane as Mrs. Paramore Viss Elliot Safavi as Mrs. Elmsworth Lisa Miller-Jacobs as Mrs. Closson Mia Scott as Lily Geff Francis as Sir Helmsley Thwarte John Arnold as Mr. Closson Firas Ibrahim as Mr. Elmsworth Elizabeth Millbank-Turner as Woman at Ball Marcus Macleod as Man Iain Davie as Another Man