| 角色 | 饰演者 | 角色介绍 |
| 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 |
