A respected professor of religious symbology at Harvard University who is summoned to the Louvre to interpret symbols found at a crime scene. He is an academic intellectual who uses his knowledge of art history and symbols to solve puzzles.

The renowned curator of the Louvre Museum and the Grand Master of the Priory of Sion. Though murdered at the beginning, his final actions and cryptic messages catalyze the entire plot.

A lieutenant in the French Judicial Police and second-in-command to Bezu Fache. He manages tactical operations and forensics while navigating his superior's rigid leadership style.

An albino monk of great physical strength and a devoted member of Opus Dei. Driven by a traumatic past, he executes violent orders from a mysterious figure known as "The Teacher" to serve his faith.

The intense captain of the French Judicial Police, nicknamed for his aggressive command style. Deeply religious and methodical, he leads the investigation into Saunière's murder with a focus on catching the prime suspect.

A Bishop and the worldwide head of Opus Dei who acts as a mentor and father figure to Silas. He travels to Rome and Paris on urgent business to protect his order from perceived threats within the Vatican.

A brilliant cryptologist for the French Judicial Police and the estranged granddaughter of Jacques Saunière. She possesses a deep connection to the riddles left by the victim and teams up with Langdon to decipher them.

The polished president of the Paris branch of the Depository Bank of Zurich. He is fiercely protective of his bank's reputation for client privacy and security.

A wealthy British historian living in France who has dedicated his life to studying the Holy Grail. An old friend of Robert Langdon, he provides extensive historical context regarding the Grail legends.

The manservant and chauffeur to Leigh Teabing at Château Villette. He assists his employer and becomes involved in events when Langdon and Neveu seek refuge at the estate.