| Name | Character | Episodes |
|---|---|---|
| Carlos Areces | Dr. José Luis Lacalle Iparraguirre | 8 |
| Nacho Rubio | Dr. Juan Luis Lazcano | 8 |
| César Saratxu | Dr. Bernardo Marín | 8 |
| Marta Belenguer | Dra. Nacha Ruiz | 8 |
| Joaquín Reyes | Dr. Ricardo “Ríchar” Mesa | 8 |
| Carlos Chamarro | Dr. Julián Palacios | 8 |