Recruited by the Russians during their days at Cambridge, three young Englishmen rise to become high-ranked MI5 agents until their exposure in 1949.

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Main Cast: Anthony Bate, Derek Jacobi, Michael Culver, Bernard Archard, Barrie Cookson, Oliver Ford Davies, Ingrid Hafner, Richard Hampton, Patrick Holt, Robin Hooper

Director: Gordon Flemyng

Writer: Ian Curteis

Editor:

Cinematographer:

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