British spies for the Soviet Union

KGB mole for the Soviet Union (1912–1988)

Soviet intelligence officer (1903–1971)

German-born British theoretical physicist and atomic spy (1911-1988)

former ring of spies in the United Kingdom

British spy, a double agent in the service of the Soviet Union

British art historian and Soviet spy (1907-1983)

British-born radio producer, intelligence and Foreign Office officer and double agent

British diplomat and spy (1913–1983)

British civil servant and spy for the Soviet Union (1912–2005)

British intelligence officer and spy for the Soviet Union (1913-1995)

Russian noble (1892-1974)

British journalist, politician and clergyman (1905-1976)

British physicist and Soviet spy (1911–2003)

Soviet spy ring that operated in England

British journalist

British spy (1905–1957)

Soviet spy and photographer (1908–1973)

Welsh writer and university administrator (1909-1979)

British naval petty officer who spied for Poland (1905–1985)

British civil servant who spied for the Soviet Union (1924-1996)