Pro | Luke | | Leo's grandson. Natalie's son. |
| Jared | | Leo's grandson. Natalie's son. |
| Greg | | Leo's son-in-law. Natalie's husband. |
| Dolly Ida | Blum | Nathan's sister. Aka: Leisa, Doleczki. |
| | | Part One |
1 | Alfred | Wetzler | Rudolf's colleague. A camp escapee. |
| Rudolf | Vrba | A camp escapee. |
2 | Peter | Strauss | Bill Donovan's chief and OSS operation officer. |
| Frank | Roosevelt | The current U.S. President. |
| Bill | Donovan | Roosevelt's chief spymaster. Aka: The Big Man. |
| Henry | Stimson | Roosevelt's secretary of war. |
| Robert | Morgenthau | Roosevelt's treasury secretary. |
3 | Alfred | Mendl | An electromagnetic physicist. The One Man. |
| Martr | Mendl | Alfred's wife. |
| Lucy | Mendl | Alfred's daughter. |
4 | Martin | Franke | The gruppen
fuehrer. |
| Elene | Zeitman | A 12-year-old
Jew. |
7 | Ricardo | Oliva | A man from the International Refugee Committee. |
| Mr. | Correa | An archbishop. |
| Alexander | Katzner | The man from Jewish World Congress. |
8 | Robert | Oppenheimer | A physicist. |
| Leslie | Groves | Oppenheimer's military overseer. |
9 | Nathan | Blum | An intelligence lieutenant in D.C. The U.S. spy. |
10 | Leisa | Blum | Nathan's sister. |
| Epstein | | Blum's friend. |
| Morgenstern | | The rabbi. |
| Jakob | | Nathan's friend who was taken by
Gestapo. |
| Isidor | Blum | Nathan's father. |
13 | Rabbie | Leitner | Nathan's instructor. |
| Chaim | | Nathan's friend. |
| | | Part Two |
15 | Mrs. | Zelworwicz | Mendl's associate. |
| Ostrow | | An ex bookkeeper. Mendl's acquaintance. |
| Ullie | | A baker from Warsaw. |
| Vacek | | Mendl's kapo. |
| Scharf | | A German officer. |
| Nieholtz | | The camp captain. |
17 | Markov | | Mendl's co-slaves. |
| Leo | Wolciek | The young boy that Mendl befriended in camp. |
18 | Langer | | A Nazi corporal. |
| Kurt | Ackermann | The Lagerkommandant. |
19 | Hedda | | Ackermann's maid. |
20 | Greta | Ackermann | Kurt's wife. |
| Niels | Bohr | The most respected physicist. |
| Richard | Feynman | Bohr's colleague and friend. |
| Han | Bethe | Bohr's colleague and friend. |
| Enrico | Fermi | Bohr's colleague and friend. |
25 | Kendry | | A British military officer. |
| Riggs | | A British military officer. |
| Radjekowski | | A British military officer. |
26 | Schubert | | A musician. |
28 | Verstoeder | | Martin Franke's aide. |
30 | Josef | Wrarinski | Nathan's driver. |
| Anja | | Nathan's niece. |
31 | General | Graebner | Franke's colleague. |
| | | Part Three |
| Hoss | | The SS colonel. |
| Himmler | | The Reichsfuhrer. |
39 | Zichenko | | Nathan's kapo. |
40 | Fromm | | Ackermann's aide. |
42 | Richter | | One of the guards. |
43 | Goring | | The Reichmarshall. |
45 | Muller | | The blockfuhrer. |
46 | Fuerst | | One of the camp's guards. |
47 | Katja | | Strauss's contact. |
48 | Shetman | | One of the prisoners who helped Nathan Blum. |
| | | Part Four |
50 | Macak | | The foreman. |
| Pavel | | The foreman. Aka: The Bear. |
54 | Levin | | The head of camp repair team. |
| Rozen | | One of the prisoners. |
58 | Karl | Wrarinski | Josef's son. |
| Nicolas | Wrarinski | Josef's son. |
60 | Hans | Franke | Martin's brother. |
| Ernst | Franke | Martin's brother. |
61 | Panish | | Mendl's blockfuhrer. |
66 | Scharf | | A sergeant major. |
74 | Janusz | | The partisan leader. |
76 | Natalie | | Leo's daughter. |