| Pro | Samir | Bensaid | Marthe's friend. A valet. Aka: Sam. |
| | Adrienne | Lafayette | General Lafayette's wife. Aka: La Femme Lafayette, Adrienne Du Motier. |
| | Henri | Pinton | Marthe's childhood sweetheart. |
| | Beatrice | Winthrop-Chanler | The Founder and President of the Lafayette Institute. Aka: Madame Beatrice, Minnie Ashley. |
| | Emily | De LaGrange | The supervisor of
Preventorium. Aka: Baroness De LaGrange. |
| | Marthe | Simon | Narrator. A teacher and sculptor in Lafayette's foundation. |
| | General | De Gaulle | The leader of Free French Forces. |
| | | | Part 1 |
| 1 | Yves Jerome | Travert | The police sergeant. |
| | Marshal | Petain | Marthe's new leader. |
| | De | Gaulle | The French leader. |
| | Marie Louise | LeVerrier | The school's doyenne. The vice president of the union. |
| | Clara | Simon | The foundation's secretary general. |
| | Dr. | Anglade | The castle's door. |
| | Faustine | Xavier | The household management teacher. |
| | Anna | DeLagrange | The baron's daughter. |
| | Petain | | The marshal. |
| 2 | Rosalie | | Adrienne's sister. |
| | Pauline | | Adrienne's sister. |
| | Clotilde | | Adrienne's sister. |
| | Louise | | Adrienne's eldest sister. |
| | Jean | De Noailles | Adrienne's father. Aka: Duc D'Ayen. |
| 3 | Henry | Hyde | Fiancé of Anna's sister. |
| 4 | William | Astor Chanler | A millionaire soldier and adventurer. Beatrice's husband. |
| | Franz | Ferdinand | An Archduke. |
| | Theodore | Roosevelt | Willie's friend. |
| | Sun | Yat-Sen | Willie's friend. |
| | Mr. | McAdams | A sculptor. |
| | Victor | Salvatori | A sculptor. Beatrice's teacher. |
| | Elizabeth | Chapman | Willie's sister. |
| | Jack | Chapman | Elizabeth's husband. A celebrated writer. |
| | Victor | Chapman | Beatrice and Willie's nephew. |
| | Emily | Sloane | Beatrice's friend. |
| | Billy | Chanler | Willie and Beatrice's son. |
| | Ashley | Chanler | Willia and Beatrice's son. |
| | President | Wilson | The current President. |
| 5 | Marie | Antoinette | The new queen. |
| | Anne Claude | Louise D'Arpajon | Adrienne's influential great-aunt. |
| | Madame | De Tesse | Adrienne's aunt. Aka: Grand-mere. |
| | Marc | | Louise's husband. |
| | Duc | De Charles | The leader of Society of the Wooden Sword. Aka: Philippe. |
| 7 | Mrs. | Daizel | Emily's companion who has familial connection to George Washington. |
| | Mitzi | Miller | A talented writer. |
| | Wilhelm | | The Kaiser. |
| | Freddy | Vanderbilt | A millionaire and a hotel owner. |
| 8 | Aglae | D'hunolstein | Philippe's lover. |
| | Henriette | Lafayette | Adrienne and Gilbert's daughter. |
| 9 | General | Fochs | One of the heroes of the great war. |
| | Joffre | | One of the heroes of the great war. |
| | Madame | Pinton | Henri's mother. |
| | Uriah | Kohn | The man who lives at Madame Pinton's house. Aka: Beaufort. |
| | Daniel | Kohn | Uriah's son. |
| | Josephine | Kohn | Uriah's daughter. |
| | Gabriella | Kohn | Uriah's daughter. |
| | Dr. | Boulagnon | Gabriella's doctor. |
| | | | Part 2 |
| 11 | Valentine | Thomson | A French feminist. |
| 12 | Anastasie Louise | Lafayette | Gilbert and Adrienne's daughter. |
| | Benjamin | Franklin | The American minister. |
| | George | Washington | Gilbert's boss. |
| 13 | Minerva | Furlaud | Marthe's mother. |
| 14 | Alexander | Hamilton | The founding father of the United States. |
| | John | Laurens | The lieutenant colonel. Aide-de-camp to General Washington. |
| | George Washington | Lafayette | Adrienne and Gilbert's son. |
| | James | Monroe | The hero of Trenton. |
| | De | Segur | Marc's friend who protected him. |
| 16 | Amaury | LaGrange | The baron. Baroness LaGrange's husband. |
| 17 | Louis | | The current King. |
| 18 | Marthe | Chenal | The singer. |
| | Maxime | Furlaud | The captain that Beatrice met. Beatrice's lover. |
| 22 | Marie | Antoinette | Gilbert and Adrienne's daughter. |
| | Virginie | Lafayette | Gilbert and Adrienne's daughter. |
| 24 | Oscar | | The boy that Marthe caught red-handed. |
| 25 | Charlotte | | Gilbert's widowed aunt. |
| | Thomas | Jefferson | The American envoy. The new ambassador. |
| | Patsy | Jefferson | Thomas's daughter. |
| | Angelica | Church | One of Adrienne's American guests. |
| | Abigail | Adams | One of Adrienne's American guests. |
| | Sophie | De Grouchy | The Marquis de
Condorcet's fiancé. |
| | Mr. | Short | Thomas Jefferson's secretary. |
| 26 | Madame | Kohn | Uriah's mother. |
| | Corporal | Kohn | A brilliant Polish Mathematician. Uriah's father. |
| 27 | Mr. | Morris | The governor. |
| | | | Part Three |
| 32 | Peter | Stuyvesant | Beatrice's ancestor. |
| 34 | Maximilien | Robespierre | The most influential figures of the French revolution. |
| | Jean-Louis | Romeuf | Gilbert's aide-de-camp. |
| 39 | Chambrun | | The commander. |
| | John | Moffat | The philanthropist. |
| 40 | Princess | De Lamballe | The Princess who was raped. |
| 44 | General | Godley | The French captain. |
| | Alice | Barlow-Brown | The doctor for the children at Chavaniac. |
| 47 | Konrad | Wolff | The Obersturmfuhrer. |
| 48 | Roland | | The minister. |
| | Mr. | Pinkcney | One of the American ministers in Europe. |
| 49 | Jean | Moulin | The resistance leader. |
| 50 | Duchesse | De Duras | Adrienne's cousin. |
| | Elizabeth | Kortright Monroe | The wife of new American ambassador. |
| 51 | William | Churchill | Adrienne's new colleague. |
| | Philippe | Petain | The lion of verdun. |
| | | | Part 4 |
| 57 | Klaus | Barbie | The butcher of Lyon. |
| | Rachel | | The eldest girl in Preventorium. |
| 60 | Napoleon | Bonaparte | The young military commander who negotiated Lafayette's release. |
| Epi | Franklin | Delano Roosevelt | The current U.S. President. |
| | Eleanor | Roosevelt | Roosevelt's first lady. |
| | Alexis | Leger | A French diplomat. |
