Guest Stars Charles Edwards as Martin Charteris Tom Byrne as Prince Andrew Angus Imrie as Prince Edward Sam Phillips as Equerry Michael Buerk voices Newsreader John Humphrys voices Newsreader Penny Downie as Duchess of Glouchester Richard Teverson as Colin Tennant Nancy Carroll as Anne Tennant Georgie Glen as Ruth, Lady Fermoy Geoff Breton as Mark Phillips Harry Treadaway as Roddy Llewellyn Daniel Gosling as TV Commentator Fyfe Dangerfield as Pianist Gemma Jones as Penelope Carter John McCormack as Earlswood Nurse 3 Tina Byrne as Earlswood Patient 1 Trudie Emery as Katherine Bowes-Lyon Pankaj Chandak as Margaret's Surgeon Kevin Hand as Margaret's Butler Andy Clarkson as Earlswood Nurse 2 Pauline Hendrickson as Nerissa Bowes-Lyon Annette Edwards as Earlswood Patient 2 Madeleine Bowyer as Earlswood Nurse 1
