| Abu Yusuf Ismail | Al-Kindi | The Arab scientist. |
| Manuel | Aringaosa | President-General of Opus Dei. |
| Michel | Breton | Head of DaS. |
| Jean | Chaffee | Curator. |
| Marie | Chauvel | Sophie's grandmother. |
| Jean | Cocteau | Former Grandmaster of the Priory of Sion. |
| Jerome | collet | The Judicial Police. |
| Leonardo | Da Vinci | An Italian Polymath. |
| Edouard | Desrochers | Senior Archivist. |
| Simon | Edwards | Executive officer at Biggin Hill Airport. |
| Josemaria | Escriva | Opus Dei's founder. |
| Bezu | Fache | The captain. Collet's boss. |
| Jonas | Faukman | Prominent New York Editor. |
| Bill | Gates | Harvard Dropout. |
| Pamela | Gettum | The librarian. |
| Claude | Grouard | Security Warden. |
| John Paul | II | The Vatican pope. |
| Father | Knowles | The priest. |
| Robert | Langdon | Protagonist. Professor of Religious Symbology. |
| Remy | Legaludec | Teabing's manservant. |
| Father | Mangano | The Vatican's astronomer. |
| Francois | Mitterand | The former President. |
| Sophie | Neveu | A cryptographer. Sauniere's granddaughter. |
| I.M | Pei | Designer of the Paris Louvre. |
| Jacques | Sauniere | Revered Curator. Murdered. |
| Maurizio | Seracini | Italian Art Diagnostician. |
| Colbert | Sostaque | Chairman of the Conseil Constitutionel. |
| Leigh | Teabing | World's foremost grail historian. Langdon's colleague. |
| The | Teacher | Silas's teacher. |
| Constantine | The Great | The pagan Roman Emperor. |
| Andre | Venet | President of the Depository Bank of Zurich. |
| Marcus | Vitruvius | The brilliant Roman architect. |
| Christopher | Wren | The Temple Church's most famous benefactor. |
| Monique | | The show host. |
| Sandrine | | A nun of church of Saint-Sulpice. |
| Silas | | Antagonist. Opus Dei follower. |
| Stettner | | Langdon's companion. |