Unai López de Ayala must immerse himself in the world of art collecting and forgery in order to find the legendary Black Book of Hours and save his mother, whom he had long believed to be dead
| Actor | Role |
|---|---|
 Alejo SaurasUnai (Kraken) | Unai (Kraken) |
 Maggie CivantosEsti | Esti |
 Natalia RodríguezMencía | Mencía |
 Martin UrrutiaGael (de joven) | Gael (de joven) |
| AAitziber LumaÍtaca (de joven) | Ítaca (de joven) |
 Natalia MillánNot listed | Not listed |
 Ana GraciaNot listed | Not listed |
 Fernando SotoNot listed | Not listed |
 Kandido UrangaNot listed | Not listed |
 Jon LukasNot listed | Not listed |