| 角色 | 饰演者介绍 |
| Silvia | 瓦莱莉·高利诺 |
| Siddharta | 尼可洛·森尼 |
| Domitilla | Francesca Di Giovanni |
| Massimo | 塞吉奥·鲁比尼 |
| Roberto | 斯特法诺·迪奥尼斯 |
| Laboratory technician | Corrado Invernizzi |
| Girl at test lab | Chiara Noschese |
| Coso | Victor Cavallo |
| USL psychologist | Maria Consagra |
| Toni | Giuseppe Del Bono |
| Doctor | Raffaella Lebboroni |
| Police commissary | Sergio Pierattini |
| Paolo | Andrea Liu Junyu |
| Flavia | Serena Scapagnini |
| Michele | Bruno Sclafani |
| Young doctor | Paolo Triestino |
| Kind nurse | Raffaele Vannoli |
