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 Anastasia Hille as Flora Solomon Gershwyn Eustache Jnr as Dr Robert Thomas Gilly Gilchrist as MI5 Plumber Alexander Terentyev as Orchis Rick Warden as Arthur Martin Steven Elder as Tim Milne Jay Simpson as MI6 Cabbie David Coomber as Embassy Duty Officer Jed Aukin as American Reporter Anna Andresen as Aileen Philby Lucinda Raikes as Miss Harbinson Reza Diako as Henri George Taylor as Vicar Jolyon Coy as Desmond Bristow (Boris) Denis Khoroshko as Vladimir Alice Barclay as Miss Colefax Nicholas Pritchard as Dick 'C' White Paul Bailey as MI5 Man Ion Grosu as Russian Policeman Puiu Lăscuș as Russian Drunk