Guest Stars Harry Hadden-Paton as Martin Charteris Will Keen as Michael Adeane Lizzy McInnerny as Bobo Macdonald Chris Gordon as Duke of Edinburgh's Valet James Hillier as Equerry (Buckingham Palace) Joseph Kloska as Porchey Sylvestra Le Touzel as Dorothy MacMillan John Sackville as S.I.S. Controller Peter Ellis as Sandringham Gamekeeper / Land Agent Michael Bertenshaw as Master of the Household Robert Irons as Freddie Bishop David Annen as Alec Douglas-Home Richard Clifford as Norman Hartnell Julian Ovenden as Bobby Kennedy Danny Sapani as President Nkrumah Alec Nicholls as Downing Street Aide James Garnon as Stanisław Radziwill Jacques Boudet as President de Gaulle Linda Small as Elderly Ghanaian Servant Skye Hallam as Lee Radziwill James Borthwick as Leonid Brezhnev Sidwell Ralitsoele as Nkrumah's Aide Barnabas Toth as French Diplomat Jeremy Wheeler as Doctor Jacobson Sam Crane as Patrick Plunket