| 1 | Paola | Falier | Brunetti's wife. |
| | Lorenzo | Brunetti | Protagonist. AKA: Guido. |
| | William | James | Philosopher. |
| | Orazio | Falier | Paola's father. AKA: Conte. |
| | Maurizio | Cataldo | Businessman. Conte Falier's acquaintance. |
| | Franca | Marinello | Cataldo's wife. |
| | Donatella | Falier | Paola's mother. AKA: Contessa. |
| | Raffi | | Brunetti's son. |
| | Renato | Rocchetto | The Conte's lawyer. |
| | Claudia | Umberti | Rocchetto's wife. |
| 2 | Signora | Elletra | Brunetti's superior's secretary. |
| | Guiseppe | Patta | The deputy commissionaire. Brunetti's boss. |
| | Filippo | Guarino | Patta's colleague. Army official. |
| | Gilda | Landi | Guarino's secretary. |
| 3 | Stefano | Ranzato | Police spy. Murdered. |
| 4 | Beple | Avasani | Investigative journalist. |
| | Immacolata | | Ranzato's wife. |
| 5 | Barbara | | Brunetti's sister. |
| 6 | Chiara | | Brunetti's sister. |
| 7 | Scarpa | | Police lieutenant. |
| | Claudia | Griffoni | A police woman. |
| | Lorenzo | Viannello | A police inspector. Brunetti's colleague. |
| | Grazia | | Vianello's cousin. |
| 8 | Guilia | Vasari | Franca Marinello's 1st husband. |
| 9 | Sergio | | A barman. Brunetti's companion. |
| 10 | Alvise | | A police officer. |
| 12 | Claudio | Vasco | The head security of gambling house. |
| | Antonio | Terrasini | The man who was arrested for rape. |
| | Guiseppe | Strega | Antonio's colleague. |
| | Guilio | | Claudio's colleague. |
| | Roberto | Pucetti | A young officer. |
| | Matteo | Cataldo | Maurizio's son. |
| 15 | Ribasso | | A police officer. Brunetti's
acquaintance. |
| 16 | Nadia | | Vianello's wife. |
| 23 | Claudio | Vizotti | A plumber. Brunetti's acquaintance. |
