| Ignazio | Alaimo | Officer-in-charge of Capitaneria Di Porto. |
| Pietro | Borgato | Vio's uncle. Owner of Borgato Transporti. |
| Giovanni | Borioni | The son of Marchese. Brunetti's friend. |
| Timoteo | Borioni | Giovanni's brother. |
| Chiara | Brunetti | Brunetti's daughter. |
| Guido | Brunetti | Protagonist. |
| Paola | Brunetti | Brunetti's wife. |
| Raffi | Brunetti | Brunetti's son. |
| Anna | Bruzin | The boat passenger. |
| Valerio | Cesco | Brunetti's old classmate. A human resource staff. |
| Filippo | D'Alessio | Guilio's father. |
| Guilio | D'Alessio | Brunetti's friend. |
| Baba | Diome | The Senegalese barman. |
| Filiberto | Duso | Vio's companion. |
| Claudia | Griffoni | Brunetti's colleague. |
| Luca | Ippodrino | Friend and colleague of Guido's father. |
| Enrico | Luliano | A magistrate. |
| Mateo | Lunghi | A gynecologist. |
| Laura | Nieddu | The Captain. |
| Giuseppe | Patta | Brunetti's superior. A Vice-Questore. |
| De | Persio | A lawyer. |
| Jojo | Peterson | Lucy's friend. |
| Franca | Righti | Brunetti's first girlfriend. |
| Elena | Rocca | Borgato's secretary. |
| Samuel | Tantucci | One of Brunetti's contacts. |
| Lorenzo | Vianello | Brunetti's colleague. |
| Marcello | Vio | One of the men who left the injured lady in the hospital. |
| Lucy | Watson | The girl who was injured. |
| Mr. | Watson | Lucy's father. |
| Crema | | One of Alaimo's pilots. |
| Donato | | Brunetti's old friend. |
| Elletra | | Patta's secretary. |
| Foa | | Brunetti's contact. |
| Graziano | | The guard on duty. |
| Marchese | | Giovanni's father. |
| Nico | | The Gelateria's owner. |
| Pucetti | | Brunetti's colleague. |
| Sergio | | The owner of Ponte Dei Greci. |
