Mithras, God of the Midnight, here where the great bull dies,
Look on thy children in darkness. O take our sacrifice!
Many roads thou hast fashioned: all of them lead to the Light,
Mithras, also a soldier, teach us to die aright!
Pino Gabrielli, warden of the Piccolo Museo del Purgatorio
Nic Costa, an agente in the Rome Questura
Gianni Peroni, a fellow agente
Leo Falcone, Costa and Peroni’s inspector
Teresa Lupo, chief pathologist
Emily Deacon, Costa’s partner
Raffaella Arcangelo, Falcone’s partner
Ornella Di Benedetto, warden of the church of Santa Maria dell’Assunta
Rosa Prabakaran, a junior police agente
Bruno Messina, police commissario over Leo Falcone
Arturo Messina, Bruno’s father, now retired from the police in disgrace
Enzo Uccello, a criminal on release
Beatrice Bramante, former wife of Giorgio, mother of Alessio
Dino Abati, a homeless man
Prinzivalli, a police sovrintendente
Silvio Di Capua, Teresa Lupo’s deputy
Cristiano, a biologist specialising in worms
Judith Turnhouse, an archaeologist
Lorenzo Lotto, a left-wing aristocrat and magazine owner
Alessio Bramante, a schoolboy
Giorgio Bramante, his father, an archaeologist
Ludo Torchia, Toni LaMarca, Dino Abati, Sandro Vignola, Andrea Guerino, Elisabetta Giordano, Bernardo Giordano, and Raul Bellucci, students under Giorgio Bramante
Leo Falcone, a police sovrintendente
Arturo Messina, police commissario over Leo Falcone