Guest Stars James Murray as Prince Andrew Sebastian Blunt as Prince Edward Theo Fraser Steele as Timothy Laurence Jonathan Hyde as Duke of Norfolk Viola Prettejohn as Young Princess Elizabeth Lydia Leonard as Cherie Blair Jamie Parker as Robin Janvrin Martin Turner as Lord Chamberlain Paul Sparkes as William's PPO Kirsty Lang voices Newsreader Bert Seymour as Tom Parker Bowles Clementine Blake as Laura Parker Bowles Oscar Morgan as Shooting Friend Anthony Calf as Royal Photographer Oscar Lesage as Guy Pelly Simon Tcherniak as Charles' PPO Tommy Rodger as Hugo - Party Guest Thomas Knights as Photographer's Assistant Richard Heap as Archbishop Williams Rebecca Forsyth as Maid Joshua Wade-Scriven as Tribute Band Bass Player Richard Evans as Tribute Band Guitarist Alex Shad as Tribute Band Drummer Paul Scarto as Tribute Band Pianist James Coutsavlis as Party Guest 2 Gina Beck as Helen Asprey - Private Secretary Elizabeth Hopley as Angela Kelly - Queen's Dresser Julian Wadham as David Stancliffe Paul Tinto as Piper to the Sovereign