Guest Stars Lucy Akhurst as Elizabeth Elliott Nicholas Rowe as Sir Anthony Blunt Lucy Russell as Jane Sissmore Monika Gossmann as Galina Alex Price as Watcher Jennifer Marsala as Iris Gilly Gilchrist as MI5 Plumber Karel Roden as Col. Sergei Brontov Alexander Terentyev as Orchis David Coomber as Embassy Duty Officer Roger Barclay as John Profumo Philip Andrew as Dieter Natasha Cottriall as Singer Elvira Rimbu as Russian Bureaucrat Noelia Gil as Pinar John Paul Wagner as Special Agent Nash Yasemin Özdemir as Erva Tugba Tirpan as Sofia Tom Radisch as Erich Vermehren Oliver Norman as Grieving Soldier Sam Thorpe-Spinks as Russian Soldier Simon Connolly as Attorney Lars van Riesen as Herman Orlando Wells as Michael Straight