Guest Stars Naomi Battrick as Diana Stainton Flora Montgomery as Diane Kelly Rhys Parry Jones as John Le Mesurier Arabella Neale as Jeremy's Secretary Marianne Oldham as Stella Levy Alice Orr-Ewing as Caroline Allpass Andrew French as Sergeant-at-arms Nick Malinowski as Returning Officer Morgan Watkins as Mike Steele Caleb Roberts as Daniel Badwah Dyfan Dwyfor as George Deakin Charlotte Lucas as Janet Lawrence Michael Culkin as Reginald Maudling Lucy Briggs-Owen as Sue Scott Tim Hudson as Ted Lethaby David Palmstrom as Welsh Policeman Peter F. Gardiner as David Steel Pablo Raybould as Auctioneer Patrick Barlow as Captain Myers Jasmyn Banks as Bridget Nigel Hastings as Stable Owner