WGeorges Agabekov
WIskhak Akhmerov
WAldrich Ames
WAtomic spies
WCedric Belfrage
WGeorges Blun
WAnthony Blunt
WEmil Bodnăraș
WAleksey Botyan
WMoura Budberg
WGuy Burgess
WJohn Cairncross
WChen Hansheng
WMustafa Golubić
WOleg Gordievsky
WRuth Greenglass
WRobert Hanssen
WDonald Heathfield
WSeiichi Katsumata
WOtto Katz
WMikhail Koltsov
WWalter Krivitsky
WJürgen Kuczynski
WUrsula Kuczynski
WLeonid Kvasnikov
WList of KGB defectors
WKonon Molody
WVictor Louis (journalist)
WDonald Maclean (spy)
WVasili Mitrokhin
WKonon Molody
WWilli Münzenberg
WAlexander Orlov (Soviet defector)
WPerseus (spy)
WVladimir Petrov (diplomat)
WEvdokia Petrova
WKim Philby
WHenri Pieck
WGheorghe Pintilie
WIgnace Reiss
WJakob Rudnik
WNikolai Skoblin
WRichard Sorge
WDonald Heathfield
WGevork Vartanian
WGoar Vartanian
WElizabeth Zarubina
WMark Zborowski
WZhang Zhizhong