| Aldrich | Ames | The CIA mole. |
| Boyan | Barkov | The victim. |
| Clark | Baucom | Claire's contact. |
| Rainer | Bilke | Dorn's long-time boss. |
| Lucius | Clay | A U.S. Army General. |
| Tom | Coffer | Baucom's defense attache. |
| Lester | Diggs | Gentry's colleague. |
| Marius | Dorn | The lieutenant. |
| Lothar | Fischer | Grimm's neighbor and colleague. |
| Gaby | Gast | One of Wolf's female agents. |
| Bill | Gentry | The West Berlin Base Chief. |
| Bettina | Grimm | Grimm's wife. |
| Emil | Grimm | A former foreign intelligence agent. |
| Magda | Holbein | Emil's former neighbor. |
| Erich | Honecker | The East German premier. |
| Ron | Kent | Claire's new partner. AKA: Paul Bridger. |
| Rudolf | Kolaschnik | A pole with contacts. AKA: Roman. |
| Gregor | Kolkachev | A KGB insider. |
| Dieter | Krauss | A state security. |
| Konrad | Lehmann | Eldest son of the barkeep and friend who had served Baucom. |
| Bayer | Leverkusen | East Germany's best footballer. |
| Erich | Mielke | The STASI chief. |
| Florian | Pieck | A forest ranger. |
| Andreas | Plotz | The man who runs the task force in Sub-Department 7. |
| Claire | Saylor | A CIA spy. |
| Gerhard | Schulz | An HVA recruiter. |
| Yuri | Volkov | A contact hire for the local KGB. |
| Moritz | Waldman | Emil's old friend. |
| Lindsey | Ward | The new deputy director of operations. |
| Karola | Weber | Bettina's caretaker. |
| William | Webster | The CIA Director. |
| Andrea | Wolf | Wolf's current wife. |
| Markus | Wolf | Grimm's former boss. |
| Markus | Wolf | Emil's former boss. AKA: Mischa. |
| Marshal | Zhukov | The Red Army leader. |
| Adler | | A caretaker. |
| Christa | | Wolf's 2nd wife. |
| Diestel | | The new interior minister. |
| Gretel | | Lothar's dog. |
| Helen | | Baucom's ex-lover. Clair's colleague. |
| Hermann | | One of Wolf's top people. |
| Jacques | | Claire's friend. |
| Kathe | | Lothar's former wife. |
| Klug | | Emil's colleague from internal security. |
| Leonid | | A Russian source. |
| Maxim | | One of Volkov's men. |
| Otto | | Claire's friend. |
| Rudi | | The bartender. |