| | | | Part Zero |
| | Marie-Laure | LeBlanc | A blind girl. One of the protagonists. Aka: Laurette. |
| | Werner | Pfennig | A German private. An orphan. One of the protagonists. |
| | Etienne | LeBlanc | Marie-Laure's great uncle. |
| | Frank | Volkheimer | The staff sergeant. A young cadet. Aka: The Giant. |
| | Walter | Bernd | The engineer. |
| | Jutta | Pfennig | Werner's little sister. |
| | Frau | Elena | A protestant nun. Werne and Jutta's guardian. |
| | | | Part One |
| | Daniel | LeBlanc | Marie's father. The professional locksmith. |
| | | | Children's House - An orphanage where Werner lived. |
| | Dr. | Geffard | An aging
mollusk expert. |
| | Hanz | Schilzer | One of the oldest kids in Children's House. A member of Hitler Youth. |
| | Ms. | Fleury | Dr. Geffard's department head. |
| | Jean | Passepartout | Mr. Fogg's valet. |
| | Claudia | Forster | One of the kids in Children's House. |
| | Heinrich | Hertz | The inventor of plastic. |
| | Mrs. | Stresemann | One of Werner's neighbors. |
| | Hannah | Gerlitz | One of the kids in Children's House. |
| | Susanne | Gerlitz | Hannah's twin. |
| | Rolf | Hupfauer | One of the kids in Children's House. |
| | Fritz | Haber | The inventor of fertilizer. |
| | Hermann | Staudinger | The inventor of plastic. |
| | Pierre | Aronnax | A famed marine biologist. Aka: Professor Aronnax. |
| | Rudolf | Siedler | The famous radio repairman. |
| | Mr. | Giannux | Mr. LeBlanc's friend from the museum. |
| | | | Part Three |
| | Madame | Manec | Etienne's long-time housekeeper. |
| | Martin | Sachse | One of the kids in Children's House. |
| | Siegfried | Fishcher | One of the kids in Children's House. |
| | Frederick | | The new kid in Children's House. The boy who befriends Werner. |
| | Reinhold | Von Rumpel | A sergeant major in Vienna. |
| | Veronika | Von Rumpel | Reinhold's eldest daughter. |
| | Mr. | Verdier | A clothing store owner. |
| | Mr. | Morvan | Lingerie store owner. |
| | Dr. | Hauptmann | A
diminutive instructor of technical science. |
| | Reiner | Schickler | A young corporal who was caught and tortured. |
| | Claude | Levitte | A perfume seller. Aka: Big Claude. |
| | Bastian | | The warrant officer in charge of field exercise commandant and schoolmaster. |
| | Backer | | Werner's commandant. |
| | Ernst | | The weakest boy in Werner's squad. |
| | Jean | Baptiste-LaMarck | A
French biologist. |
| | Dr. | Hublin | The mineralogist. |
| | Helmut | Rodel | One of the members of Hitler Youth. |
| | | | Part 4 |
| | Dupont | | A fake diamond seller. |
| | Madame | Blanchard | An ancient widow. |
| | Harold | Bazin | A great war veteran. |
| | Madame | Ruelle | The baker's wife. |
| | Madame | Fontineau | Madame Manec's friend. |
| | Madame | Guibox | The mother of a shoemaker. |
| | MAdame | Hebrard | The bookseller's wife. |
| | Martin | Burkhard | One of Frederick's colleagues. |
| | Rene | | The man that Madame Manec met at the hotel. |
| | Dieter | Ferdinand | One of the young cadets. |
| | Franny | | Frederick's maid. |
| | | | Part 7 |
| | Neumann | Two | Volkheimer's assistant. |
| | Neumann | One | Volkheimer's driver. |
| | MAdame | Gardinier | The dying woman in La Mare. |
| | Henri | LeBlanc | Etienne's brother. Marie's grandfather. |
| | Mr. | Herbrard | The bookseller. |
| | | | Part 9 |
| | Jean | Brignon | One of Major Rumpel's informants. |
| | | | Part 12 |
| | Albert | Wette | Jutta's husband. |
| | Max | Wette | Jutta and Albert's son. |
| | John | | Marie-Laure's husband. |
| | Helene | | Marie and John's daughter. |
| | Francis | | Jutta's assistant. |
| | | | Part 13 |
| | Michel | | Marie's grandson. |
