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