Guest Stars Charles Edwards as Martin Charteris David Rintoul as Michael Adeane Sam Phillips as Equerry Lorraine Ashbourne as Barbara Castle Mark Dexter as Tony Benn John Hollingworth as Porchey Sinéad Matthews as Marcia Williams Matthew Steer as Wilson's Aide Stuart McQuarrie as George Thomson John Finn as Arthur 'Bull' Hancock Rupert Vansittart as Cecil King Julian Glover as Cecil Boyd-Rochfort Jasper Jacob as Bank of England Lawyer Milly Thomas as Mirror Group Secretary Harry Gostelow as Mountbatten's Valet Lucas Hare as John Barratt Roger Evans as Editor Graham Vanas as Doorman Philippe Smolikowski as Alex Head Andrew Cullum as Race Commentator Claire Jeater as Receptionist John Vaughan as Mountbatten Staff