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 Nicholas Rowe as Jock Colville Harriet Walter as Clemmie Churchill Jonathan Newth as Page (Buckingham Palace) Patrick Ryecart as Duke of Norfolk Rosalind Knight as Princess Alice Mark Tandy as Cecil Beaton Simon Chandler as Clement Attlee Patrick Drury as Lord Chamberlain James Laurenson as Doctor John Weir Ronald Pickup as Archbishop of Canterbury Nigel Cooke as Harry Crookshank John Woodvine as Archbishop of York Kate Phillips as Venetia Scott Martin Bishop as King's Valet Michael Bertenshaw as Master of the Household Peter Ellis as Sandringham Gamekeeper / Land Agent Christopher Ravenscroft as Page (Sandringham) Josie Kidd as Secretary Josh Cook as Footman (Buckingham Palace) Paul Longley as Footman (Abbey) Nicholas Jones as Lord Moran Leon Hutchings as Page Boy Oliver McKinnon-Wardell as Page Boy #2