Recruited by the Russians during their days at Cambridge, three young Englishmen rise to become high-ranked MI5 agents until their exposure in 1949.
Anthony Bate
Kim Philby
Derek Jacobi
Guy Burgess
Michael Culver
Donald Maclean
Ingrid Hafner
Aileen Philby
Elizabeth Seal
Melinda Maclean
Richard Hurndall
Sir Stewart Menzies
Philip Stone
Farquesson
Peter Vaughan
Philby's Control
Arthur Lowe
Herbert Morrison
Bernard Archard
Graves
Oliver Ford Davies
Pattterson
Robin Hooper
Reed
Patrick Holt
Peterson
David Markham
Skardon
Barrie Cookson
Helenus Milmo
