| Malcolm | Algernon Philips | One of the Russian spies. |
| Boris | Alushevsky | The Line R chief. |
| Pat | Benatar | The pop singer. |
| Simon | Benford | The counter-intelligence chief in CIA Washington. |
| Stephanie | Boucher | United States senator. A mole in the SVR. AKA: Swan. |
| John Paul | Bullard | A midlevel analyst in National Communication Service. |
| Cecil | Delon | Delon's daughter. |
| Simon | Delon | Dominika's first target. |
| Colonel | Digtyar | A Ukranian colonel. AKA: Directorate K. |
| Dominika | Egorov | Vanya's niece. A ballerina who became a Russian spy. AKA: Katia, Nadia, and Diva. |
| Ivan Dimitrevich | Egorov | The first Deputy Director in Yasenevo. AKA: Vanya. |
| Nina | Egorov | Dominika's mother. A concertmaster. |
| Vassily | Egorov | Dominika's father. A famous academician professor. |
| Tom | Forsyth | Gondorf's new Chief of Station in Helsinki. |
| Marty | Gable | CIA deputy chief of station. AKA: Bratok. |
| General Anatoly | Golov | Putin's resident in Washington. |
| Gordon | Gondorf | A line KR chief. Nate's superior. |
| Alice | Inu | Nate's new workmate. |
| Kurd | Kid | One of Gable's agents. |
| Volodya | Korchnoi | The KGB's Chief Directorate. Chief of SVR. CIA double agent. AKA: Marble. |
| Elwood | Maratos | An FBI Special Agent. |
| Sergey | Matorin | The executioner of SVR. |
| Charles | Montgomery | FBI's Chief of Bureau of the National Security Division. |
| Sonya | Moroyeva | Dominika's classmate. |
| Yuri | Nasarenko | The director of Line T. |
| Nathaniel | Nash | CIA 'Intel Ops' agent. |
| Admiral | Nelson | The CIA Chief in Europe. |
| Lyudmila | Pavlichenko | The deadliest female sniper in history. |
| Vladimir | Putin | The first deputy minister. |
| Jaana | Raikkonen | Gable's former spy. Marcus's wife. AKA: Veronica. |
| Marcus | Raikkonen | Gable's former spy. AKA: Archie. |
| Jennifer | Santini | A spy. |
| Colonel | Simyonov | Chief of Fifth Department. |
| Anthony | Trunk | The assistant trade minister. |
| Galina | Ulanova | The Prima Ballerina of the Bolshoi after the war. |
| Dmitri | Ustinov | A leading member of the fraternity of Gangster Russian Oil and Mining oligarch. |
| Maxim | Volontov | SBR resident in the Russian Embassy. Dominika's superior. |
| Marta | Yelanova | Dominika's colleague. |
| Alexei | Zyuganov | Egorov's line KR counter-intelligence chief. |
| Anya | | Dominika's colleague in Sparrow School. |
| Black | | Matorin's associate. |
| C/ROD | | Chief of ROD. |
| Carl | | Nate's hand-to-hand instructor. |
| Dimitry | | Egorov's personal aide. |
| Ginsburg | | CIA tech. Nate's colleague. |
| Jay | | One of Nate's surveillance instructors. |
| Khodorkovsky | | A Russian oligarch. |
| Konstantin | | Sonya's lover. |
| Leavitt | | Nash's colleague. |
| Mikhail | | Dominika's SVR psychology instructor. |
| Missy | | Boucher's third personal assistant. |
| Sophie | | Alice's friend. |
| Tishkov | | The ambassador's translator. |
