| 角色 | 饰演者介绍 |
| María José Fernández Conway | Mar Flores |
| Eduardo | Sergi Mateu |
| Carlos | Arsenio León |
| Juan Mu?oz | Luis García |
| María José ni?a (María José as a child) | Dafne Fernández |
| Iván | Juan José Pardo |
| Analista | Carlos Maroto |
| Técnico laboratorio | Andrés Morales |
| Técnico laboratorio | Miguel ángel Ortiz |
| Técnico laboratorio | David González |
| Doctor | Gumersindo Andrés |
| Secretaria | Helena Avilés |
| Peluquero | Leonardo |
| María José hija | Laura Rico |
| Doncella | Nadine Sabena |
| Criada | Carmen Segarra |
| PNN 1 | Máximo Astray |
| PNN 2 | Toni Zenet |
| Corresponsal ZDF | Alexis Daniel Hintz |
| Estudiante (Student) | Leticia Fernández |
| Estudiante (Student) | Juanjo de la Fuente |
| Estudiante (Student) | Fernando Gil |
| Estudiante (Student) | David Ortega |
| Estudiante (Student) | Carolina Knafo |
| Estudiante (Student) | Susana Hernáiz |
| Estudiante | 迭戈·马丁 |
| Obrero (Worker) | 卡洛斯·巴尔登 |
| Obrero (Worker) | Adán Latonda |
| Obrero (Worker) | José Segura |
| Obrera (Worker) | Mónica Bardem |
| Obrera (Worker) | Sandra Toral |
| Obrero (Worker) | Eduardo Blázquez |
| Ayudante | David Pinilla |
| Invitado (Guest) | Francisco Clement |
