Guest Stars Christopher Scoular as Reggie Armitage Gavin Richards as Count Von Schwabing Jill Meager as Eleanor Armitage Neville Phillips as Club Clerk T.R. Bowen as Foreign Secretary Nicholas Coppin as Knipper Nick Stringer as Brabazon Oliver Ford Davies as Russian Ambassador Helen Ryan as Babuschka John Ringham as Manners George Mikell as Baron Vogel Richard Cubison as Oleg Amanda Rosen as Madeline Christiansen Clive Curtis as Seaman Michael Hughes as Quentin Paul Kirk as Drage Gordon Whiting as Sir James West Alan Hunter as Saunders Mark Buffery as Grand Duke Alyukin Simon Williamson as Raymond Sidney Livingstone as Police Commissioner Stephen Churchett as Rev. Martin Kennedy Peter Corey as Edgar Joan Blackham as Miss Payne Uncredited Derek Chafer as Government Official Jim Delaney as Man at Museum Micky Clarke as Museum Guard
