| 1 | Oleg A. | Gordievsky | A secret agent. |
| | | Stalin | General secretary of the communist party. |
| | Vladimir | Putin | A former KGB officer. |
| | Anton | Lavrentyevich Gordievsky | Oleg's father. |
| | Olga N. | Gornova | Anton's wife. |
| | Vasili | | Anton's first child. |
| | | | NKVD - People's Commissariat for Internal Affairs. |
| | Nicolai | Yezhov | Chief of NKVD. |
| | Marina | | Anton's daughter. |
| | Nikita | Khrushchev | Stalin's successor. |
| | Henry | Kissinger | Former US secretary of state. |
| | Stanislaw | Kaplan | Oleg's close friend. Aka: Standa. |
| | Bach | | A composer. |
| | Yevgeny | Yevtushenko | A poet. |
| | George | Orwell | A novelist. |
| | Guardiyetsev | | Oleg's spy name. |
| | Leonid | Shebarshin | Oleg's acquaintance. |
| | Konon T. | Molody | An illegal resident spy during the cold war. Aka: Gordon Lonsdale. |
| | Gordon A. | Lonsdale | A Canadian child. |
| | Vilyam G. | Fisher | Soviet intelligence officer. |
| | Gary | Powers | A U-2 pilot. |
| | Kim | Philby | MI6 officer secretly working for the KGB. |
| | Yelena | Akopian | Oleg's first wife. |
| 2 | Handel | | One of the composers. |
| | Haydn | | One of the composers. |
| | Telemann | | One of the composers. |
| | Leonid | S. Zaitsev | Oleg's former boss in Copenhagen. |
| | Gornov | | Oleg's alias under KGB. |
| | Mikhail P | Lyubimov | The chief of political intelligence. Aka: Korin. |
| | | | PET - Politiets Efterretningstjeneste. |
| | Gormsson | | Oleg's code name under PET. |
| | Harold | Gormsson | The tenth-century King of Denmark. |
| | Alexander | Dubcek | First secretary of Czechoslovakia's Communist Party. |
| | Yuri | Andropov | KGB's chief. |
| | Milan | Kundera | A journalist. |
| | Vaclav | Havel | Former President of Czechoslovakia. |
| | Gromov | | Vasili's passport name under KGB. |
| | Yevgeni | Ushakov | KGB spy in Sweden. Aka: Faust. |
| | Vaclav | Ceny | A literary historian. |
| | Jan | Prochazka | A writer and film producer. |
| | Geoffrey | Guscott | A British intelligence officer. Aka: Freed. |
| | Danicer | | Kaplan's code name under MI6. |
| | Sunbeam | | Oleg Gordievsky's code name under MI6. |
| | Oleg | Lyalin | A senior representative of the KGB. Aka: Goldfinch.(MI5-MI6). |
| | Dmitri | Yakushin | A KGB officer. Aka: Gray Cardinal. |
| 3 | Hugh | Foot | A British diplomat. |
| | Richard | Broomhead | Appointed as senior MI6 officer in Copenhagen. |
| | Jorn | Bruun | A deputy head of PET. A jocular lawyer. |
| | Jens | Eriksen | One of Bruun's best officers. Aka: Asterix. |
| | Winter | Clausen | One of Bruun's best officers. Aka: Obelix. |
| | | Bratsov | A known KGB officer. |
| | Gert | Petersen | Leader Denmark's Socialist People's Party. Aka: Zeus. |
| | Alfred | Mogilevchick | Oleg's superior. |
| | Alexander | Solzhenitsyn | A novelist. |
| | Vladimir | Maximov | A writer. |
| | Lene | Koppen | A student dentist. |
| | Mike | Stokes | A Soviet senior officer. |
| | Oleg | Penkovsky | The most successful Soviet spy. |
| | Anna | | A student member of the Danish Young Communist. |
| | James Jesus | Angleton | Postwar chief of counterintelligence of the CIA. |
| | Philip | Hawkins | A barrister. |
| 4 | Ravel | Sudoplatov | One of Stalin's spymasters. |
| | Malcolm | Muggeridge | A journalist and a former MI6 officer. |
| | Eddie | Chapman | A wartime crook and a double agent. Aka: Zigzag. |
| | Arnold | Deutsch | A famous charismatic KGB talent scout. |
| | Leila | Aliyeba | A typist for the World Health Organization in Copenhagen. |
| | Ali | Aliyeba | Leila's father. |
| | Gunvor G. | Haavik | A Norweigian spy. Aka: Greta. |
| | Vladimir | Koslov | A Russian prisoner of war. |
| | Arne | Treholt | A journalist and a member of Norweigian Labour Party. |
| | Kari | Storaekre | Arne's wife. |
| | Yevgeny | Belyayev | A consular official in the Soviet embassy. |
| | Gennadi F. | Titov | A new KGB rezident. Aka: The Crocodile. |
| | Vadim | Cherny | A KGB mediocre officer. |
| | Nick | Venables | Oleg's handler. |
| | David | Owen | British foreign secretary. |
| | James | Callaghan | British Prime Minister. |
| | Maurice | Oldfield | The most senior spy in Britain. |
| | Mansfield | Cumming | The founder of MI6. |
| | Aleksandr | Printsipalov | A KGB controller. |
| | Michael | Foot | A fiery Labour MP. |
| 5 | Veronica | Price | A deputy to the head of P5. Aka: Jean. |
| | Jane | | Veronica's sister. |
| | Leonid | Brezhnev | A Soviet leader. |
| | Robert | Conquest | A historian. |
| | Pimlico | | Code name for Oleg Gordievsky's escape plan. |
| | Ursula | | The keeper of MI6. |
| | | | Goldplatz - German's code name for MI5. |
| | | | Uptight - American's code name for MI6. |
| | Richard | Helms | Chief of the CIA. |
| | Viktor | Grushko | Chief of the Third Department. A Ukranian. |
| | Stig | Bergling | A Sweden policeman appointed as SAPO liaison. |
| | Aleksander | Nikiforov | The GRU officer in Beirut. |
| | Shin | Bet | The Israeli security service. |
| | Somerset | Maugham | A novelist. |
| | Ashenden | | A British agent. |
| | Maria | | Oleg Gordievsky's first daughter. Aka: Masha. |
| | Nikolai | Gribin | The new head of the Scandinavian-British section. |
| | Anna | Gordievsky | Oleg Gordievsky's second daughter. |
| 6 | James | Spooner | The head of MI6 Soviet section. Aka: Jack. |
| | Dmitri | Svetanko | Britain's deputy department head. |
| | Jack | Jones | A KGB agent. Aka: Drim. |
| | Gordon | Brown | British Prime Minister. |
| | Bob | Edwards | A trade union leader. |
| | Trotsky | | Russian-Soviet politician. |
| | Lord Fenner | Brockway | General secretary of the Labour Party. |
| | Richard | Gott | A journalist. |
| | Major | Petrov | Senior operational officer. |
| | Harold | Wilson | A British Labour politician. |
| | Edward | Heath | A British politician. |
| | Margaret | Thatcher | Defeated Labour leader's James Callaghan. |
| | Aldrich | Ames | A CIA officer. Aka: Rick, Andy Robinson. |
| | Leslie | Charteris | A screenwriter. |
| | Robert | Gates | Deputy director of intelligence at the CIA. |
| | Nancy | Segebarth | Ames's wife. Aka: Nan. |
| | Maria del RC | Dupuy | Rick Ames's girlfriend. Aka: Rosario. |
| | Arkadi V. | Guk | The first secretary of the Soviet Embassy. |
| | Viktor | Popov | The Soviet ambassador. |
| | Leonid Y. | Nikitenko | Guk's principal confidant. |
| | Igor F. | Titov | Gordievsky's immediate superior. |
| | | | Nocton - Oleg's code name under MI6. |
| | | | Lampad - Oleg's code name (Joint MI5-MI6). |
| | Peter | Wright | The renegade MI5 officer. |
| | Roger | Hollis | The former chief of MI5. |
| | John | Cairncross | A former MI6 officer. |
| | Leo | Long | Former intelligence officer to the communist. Aka: Elli. |
| | Bruno | Pontecorve | An Italian nuclear physicist. |
| | John | Jones | Director general of MI5. |
| | | | GCHQ - Government Communications Headquarters. |
| | Geoffrey | Prime | An analyst of GCHQ. |
| | Robert | Armstrong | Head of the Civil Service. |
| 8 | Ryan | | Peacetime Soviet intelligence operation. |
| | Bill | Casey | The new CIA director. |
| | | Shostakovich | A composer. |
| | Sarah | Page | The MI6 secretary. |
| | William | Whitelaw | Thatcher's home secretary. |
| | Geoffrey | Howe | Britain's foreign secretary. |
| | Maksim | Parshikov | A PR Line officer. |
| | Ron | Brown | The Labour MP for Edinburg. |
| | Joan | Ruddock | A Labour Party politician. |
| | Melvin | Bragg | A broadcaster. |
| | Martin | Shawford | A young MI6 officer. |
| | Rosemary | Spencer | An undercover agent for MI5. |
| | Koba | | One of Stalin's early nickname. |
| 9 | Slava | Mishustin | A deputy reports officer. |
| | Elmen | | A joint counterintelligence operation (M15-MI6). |
| | John | Deverell | Director of K, MI5 counterintelligence branch. |
| | Eliza M. | Buller | A key member of the secret MI5-MI6 task force. |
| | George | Blake | MI6 double agent. |
| | Michael John | Bettaney | A British intelligence. |
| | Winston | Churchill | Former British Prime Minister. |
| | Simon | Brown | MI6 head of the Soviet bloc operations. |
| 10 | Charles | Moore | Thatcher's biographer. |
| | Vladimir | Kryuchkov | The first chief Directorate. Aka: Alyoshin. |
| | | | NATO - North Atlantic Treaty Organization. |
| | | | Able Archer - Code name for NATO. |
| | Konstantine | Chernenko | Andropov's successor. |
| | Mikhail | Gorbachev | An interlocutor on the Soviet side. |
| | Yvonne | Fletcher | A woman police officer. |
| | Neville | Beale | Former chairman of the Chelsea Conservative Association. |
| | Lord | Lane | The Lord chief justice. |
| | Christopher | Curwen | The new director of the counterintelligence and security at MI6. |
| | Karl | Marx | A writer. |
| | Mrs. | Marx | Karl's wife. |
| | Charles | Powell | Mrs. Thatcher's private secretary. |
| | Raisa | | Mikhail Gorvachev's wife. |
| | Andrei | Sakharov | A physicist. |
| 11 | Burton | Gerber | Chief of the CIA Soviet section. |
| | Bill | Graver | The CIA station chief in London. |
| | Milton | Bearden | The CIA officer who took over the Soviet division. |
| | Tickle | | Oleg's code name under CIA. |
| | Vladimir | Vetrov | A KGB colonel in Line X. Aka: Farewell. |
| | Sergey D. | Churakhin | A KGB officer. |
| | Stanislaw | Androsov | A KGB in Washington. Aka: Kronin. |
| | Viktor | Cherkashin | The chief of counterintelligence of the Soviet Embassy. |
| | Viktor | Chebrikov | Chairman of the KGB. Aka: Comrade Mikhailov. |
| | Viktor | Budanov | Directorate K at the counterintelligence branch. |
| | James | J. Fox | A tobacconist of Saint James. |
| 12 | Boris | Bocharov | Oleg's colleague from Directorate S. |
| | Sergei | Golubev | The head of Directorate K. |
| | Viktor | Fyodorovich | A KGB member. |
| | Viscount Roy | Ascot | MI6 station chief in Moscow. |
| | Caroline | | Ascot's wife. |
| | Arthur | Gee | Ascot's deputy. |
| | Rachel | | Arthur's wife. |
| | Violet | Chapman | MI6 secretary. |
| 13 | Boris | Becker | A German tennis player. |
| | Kari | Suomalainen | The Finnish cartoonist. |
| | Seppo | Tiitinen | Chief Finnish
Security Intelligence Service. Aka: SUPO. |
| | Bjorn | Larsen | Jens Eriksen's partner. |
| | Hanssen | | Oleg's false Danish passport name. |
| | Bryan | Cartledge | The new British ambassador to Moscow. |
| | Florence | | Ascot's baby. |
| | David | Goodall | Cartledge's deputy under-secretary. |
| | Tanya | | Lyubimov's new girlfriend. |
| | Philip | Moore | The queen's private secretary. |
| 14 | Dean | Reed | A singer. |
| | Bob | Dylan | American song writer. |
| | Andrei | Voznesensky | A Soviet poet. |
| 15 | Derek | Thomas | The deputy under-secretary for intelligence. |
| | Adrian M. | Mundy | An MI5 contact. |
| | Ovation | | Oleg's code name under MI6. |
| | | | Hetman - A campaign to release Leila Gordievsky and daughters. |
| | Vitaly | Yurichenko | A KGB officer. |
| | Sophia | | Casey's wife. |
| | Caspar | Weinberger | Reagan's defense secretary. |
| Epi | Vladimir P. | Suslov | Head of the department dealing with foreign embassies. |
| | Yevgeny | Primakov | Russia's former foreign minister. |
| | Christopher | Andrew | A historian. |
| | Neil | Kinnock | A Labour leader. |
| | George | Walker | MI6 officer-in-charge of the operation HETMAN. |
| | Vadim | Bakatin | A democratic reformer who replaced Kryuchkov. |
| | Peter | Hennessy | A historian. |
| | Walid | Jumblatt | The leader of the Druce militia. |
| | Ted | Koppel | American television journalist. |
| | Sergei | Ivanov | Vladimir Putin's former chief of staff. |
| | Sergei | Skripal | A former GRU officer. |
| | Yulia | | Skripal's daughter. |
| | Andrei | Lugovoi | The former KGB bodyguard. |
| | Alexander | Litvinenko | One who murdered Andrei Lugovoi. |