The true story of Greville Wynne, the British businessman who doubled as a spy on his trips to Russia, and Colonel Penkovsky, the high-ranking Soviet Intelligence officer who passed key information to the West.
David CalderGreville Wynne
Christopher RozyckiOleg PenkovskyFiona WalkerSheila Wynne
Frederick TrevesJames
Denys HawthorneNewson
Paul GeoffreyRoger Prince
Ed BishopAlexander
Donald BurtonNorman Kindell
Philip MadocGorny
Alexander DavionLevin
Stefan GryffBodenikov
George RoubicekOslaf
Guy DeghyDabrondin
George PravdaBorisglebsky
Peter MartinOldfield
