"1956/57 - This episode reflects the Kim Philby spy affair."
John Standing
as John Tallwatch
Anthony Bate
as Fenwick
Jessie Matthews
as Nanny Webster
Jill Dixon
as Anne Tallwatch
Milos Kirek
as Rostrovitch
John Line
as Kalgunin
David Firth
as Ian Phillips
Graham Rowe
as Woods
Anthony Nash
as Masters
Antony Webb
as Dr. Rimmer
Stephen Churchett
as Smithson
John Golightly
as Fildes
Will Stampe
as Commissionaire
Philip Voss
as Newsreader
Ian Barritt
as CID Man
David Ambrose
Writer
Pieter Rogers
Producer
Valerie Hanson
Director