 Eusebio PoncelaThe Man | The Man |
| OOlivia Sanz NovoaThe Girl | The Girl |
| JJonathan BrownHimself - Historian | Himself - Historian |
| MManuela MenaHerself - Prado Museum Staff Member | Herself - Prado Museum Staff Member |
| FFrancisco Calvo-SerrallerHimself - Historian | Himself - Historian |
| JJavier PortúsHimself - Prado Museum Staff Member | Himself - Prado Museum Staff Member |
| EEve SussmanHerself - Artist | Herself - Artist |
| KKeith ChristiansenHimself - MoMa Staff Member | Himself - MoMa Staff Member |
| MMichael GallagherHimself - MoMa Staff Member | Himself - MoMa Staff Member |
| SSvetlana AlpersHerself - Art Historian | Herself - Art Historian |
| FFernando Marías FrancoHimself - Art Historian | Himself - Art Historian |
| EEnrique QuintanaHimself - Prado Museum Staff Member | Himself - Prado Museum Staff Member |
| FFélix de AzúaHimself - Writer | Himself - Writer |
| JJosé Manuel Cruz ValdovinosHimself - Art Historian | Himself - Art Historian |
| RRocío DávilaHerself - Prado Museum Staff Member | Herself - Prado Museum Staff Member |
| MMaite DávilaHerself - Prado Museum Staff Member | Herself - Prado Museum Staff Member |
| CCarmen GarridoHerself - Prado Museum Staff Member | Herself - Prado Museum Staff Member |
| VValentín J. AlejándrezHimself - Writer | Himself - Writer |
| MMatías Díaz PadrónHimself - Art Historian | Himself - Art Historian |
| AAntonio SásetaHimself - Architect | Himself - Architect |
| JJaime García-MáiquezHimself - Prado Museum Staff Member | Himself - Prado Museum Staff Member |
 Antonio López GarcíaHimself - Artist | Himself - Artist |
