A figure marked with roses.

William of Baskerville: Friar William from England, a Franciscan, was a court judge and was good at logical reasoning.

Adesso of Mahelek: the narrator of the story. Adesso is an Italian, a trainee monk of Benedictine Church and an attendant of Brother William. Remigio, Fraghi: food director of the monastery.

Apponi of Fosanova: Abbot Director.

Adelmo of Otranto: A young monk, a trainee bookbinder, the first deceased, William was entrusted by the abbot to investigate his death, and the main story begins.

Salvatore: Flair, Remigio's assistant.

Ubertino, caleca: (1886- 1920) Franciscan monk in exile, friend of William.

Seville Yunus of St. Elmland: Friar, herbalist.

Hildesheim Maaradji: Librarian.

Arundel Berenga: Assistant librarian.

Vernon Hughes of Salvimec: Young monk, Arabic and Greek translator, specializing in Aristotle.

Beno of Uppsala: a young monk from Scandinavia who studies rhetoric.

Amaro of Alexandria: rapper and satirist.

Berg, burgos: An elderly monk and blind scholar.

Nicholas of Morrigando: Monk, glassmaker of monastery.

Alinado of Latta, Gro Tafer: the oldest monk in the monastery. Michael of Chezena: the leader of Franciscan spiritualism.

Bernard Gui: A famous judge of the Holy See and one of the leaders of the papal envoys.

Bertrand: Cardinal, one of the leaders of the Pontifical Mission.

Peasant girl: From the village under the temple.