| 1 | Robert | Langdon | Protagonist. Professor of Religious Symbology. |
| | Monique | | The show host. |
| | Jerome | Collet | The Judicial Police. |
| | Jacques | Sauniere | Revered Curator. Murdered. |
| 2 | Silas | | Antagonist. Opus Dei follower. |
| | Josemaria | Escriva | Opus Dei's founder. |
| | The | Teacher | Silas's teacher. |
| 3 | I.M | Pei | Designer of the Paris Louvre. |
| | Francois | Mitterand | The former President. |
| | Bezu | Fache | The captain. Collet's boss. |
| 5 | Manuel | Aringaosa | President-General of Opus Dei. |
| 7 | Sandrine | | A nun of church of Saint-Sulpice. |
| | John Paul | II | The Vatican pope. |
| 8 | Leonardo | Da Vinci | An Italian Polymath. |
| 9 | Sophie | Neveu | A cryptographer. Sauniere's granddaughter. |
| 20 | Stettner | | Langdon's companion. |
| | Marcus | Vitruvius | The brilliant Roman architect. |
| 30 | Claude | Grouard | Security Warden. |
| 34 | Father | Mangano | The Vatican's astronomer. |
| 38 | Jonas | Faukman | Prominent New York Editor. |
| 39 | Maurizio | Seracini | Italian Art Diagnostician. |
| 43 | Andre | Venet | President of the Depository Bank of Zurich. |
| 47 | Abu Yusuf Ismail | Al-Kindi | The Arab scientist. |
| 51 | Leigh | Teabing | World's foremost grail historian. Langdon's colleague. |
| 54 | Remy | Legaludec | Teabing's manservant. |
| 55 | Constantine | The Great | The pagan Roman Emperor. |
| 58 | Jean | Cocteau | Former Grandmaster of the Priory of Sion. |
| 71 | Bill | Gates | Harvard Dropout. |
| 81 | Simon | Edwards | Executive officer at Biggin Hill Airport. |
| 83 | Christopher | Wren | The Temple Church's most famous benefactor. |
| | Father | Knowles | The priest. |
| 90 | Colbert | Sostaque | Chairman of the Conseil Constitutionel. |
| | Jean | Chaffee | Curator. |
| | Edouard | Desrochers | Senior Archivist. |
| | Michel | Breton | Head of DaS. |
| 92 | Pamela | Gettum | The librarian. |
| 94 | Marie | Chauvel | Sophie's grandmother. |
