Agnes Smedley
American journalist who spied for the Soviet Union against the Japanese.
Alan Nunn May
British physicist who passed atomic secrets to the Soviet Union in the 1940s.
Aldrich Ames
CIA counter-intelligence officer convicted of spying for the Soviet Union.
Alfred Redl
Austrian head of counter-intelligence blackmailed by Russia into passing secrets.
Alger Hiss
U.S. State Department official accused committing espionage for the Soviet Union.
Anthony Blunt
Noted British art historian who acted the Soviet recruiter of a number of British spies.
Clayton Lonetree
A United States Marine coerced into passing secrets to the Soviet Union.
Donald Maclean
British diplomat who spied for the Soviet Union as part of the Cambridge Five.
Earl Pitts
Former FBI Special Agent who worked as a mole for the Soviet Union.
Ethel Rosenberg
American communist executed for espionage against the United States.
Feliks Dzerzhinsky
Established and directed the Bolshevik Secret Police, the CHEKA.
George Blake
British spy who worked as a double-agent for the Soviet Union.
Gordon Lonsdale
Soviet intelligence officer who headed the Portland spy ring in the United States
Harold Nicholson
Among the highest ranking CIA officers ever convicted of spying for the Russians.
John Cairncross
British intelligence officer who passed secrets to the Soviet Union.
John Walker
U.S. military communications specialist who ran a Soviet family spy ring.
Judith Coplon
Soviet agent who passed information about American counter-intelligence.
Julius Rosenberg
American-born Soviet recruiter who obtained and passed military secrets to the Soviets.
Kim Philby
High-ranking member of British intelligence spied for the Soviet Union.
Klaus Fuchs
German-born British theoretical physicist and who passed Manhattan project secrets to the Soviets.
Lavrentiy Beria
Beria, Lavrentiy Chief of the NKVD and the head of the great Soviet purge.
Nelson Drummond
U.S. Navy Yeoman blackmailed in spying for the Soviets, the first Black American ever convicted of espionage.
Morris Childs
An America-born Soviet spy who later became a double agent for the US.
Richard Miller
First FBI agent ever convicted of espionage for passing secrets to Soviet KGB agents.
Richard Sorge
Soviet military intelligence officer who ran a spy ring against the Japanese.
Robert Hanssen
American FBI agent who passed information to Soviet intelligence.
Ronald Pelton
American spy convicted of passing NSA signals intelligence information to the KGB.
Rudolf Abel
Notorious British-raised Soviet Cold War spy swapped for U-2 pilot.
Rudolf Roessler
Head of the Soviet anti-Nazi Lucy espionage ring that spied on Germany.
Sandor Rado
Hungarian cartographer who spied on the Nazis for the Soviet Union.
Ted Hall
American physicist and a Manhattan project spy for the Soviet Union.
Whittaker Chambers
Former Soviet spy who later exposed other Soviet spies in the US.