Guest Stars Billy Jenkins as Prince Charles Harry Hadden-Paton as Martin Charteris Will Keen as Michael Adeane Pip Torrens as Tommy Lascelles Lizzy McInnerny as Bobo Macdonald Chris Gordon as Duke of Edinburgh's Valet Clive Francis as Lord Salisbury Daniel Ings as Mike Parker Jonathan Newth as Page (Buckingham Palace) Michael Culkin as Rab Butler George Asprey as Walter Monckton John Sackville as S.I.S. Controller Steven Blake as Buckingham Palace Press Secretary Richard Elfyn as Selwyn Lloyd Chloe Pirrie as Eileen Parker Lucy Russell as Lady Mountbatten Michael Bertenshaw as Master of the Household Nicholas Burns as Anthony Nutting Amir Boutrous as General Nasser / President Nasser David Shackleton as Provost Sam Spiegel as Christian Pineau Lamar Bonhomme as Egyptian Colonel Mathias Harris as Mountbatten's Page Aliya Tanykpayeva as Galina Ulanova Denis Khoroshko as Russian Naval Captain Hugh Futcher as David Ben-Gurion Keenan Arrison as Egyptian Interpreter