| Episode credited cast: |
 | Anne Igartiburu | - | Herself - Hostess |
| Rest of cast listed alphabetically: |
 | Esther Arroyo | - | Herself (archive footage) |
 | Manuel Bandera | - | Himself - Contestant |
 | Andrea Bocelli | - | Himself (archive footage) |
| César Cadaval | - | Himself - Jury Member |
| Jorge Cadaval | - | Himself - Guest |
| Terelu Campos | - | Herself |
| Àlex Casademunt | - | Himself (archive footage) |
| David Civera | - | Himself (archive footage) |
| María del Monte | - | Herself (archive footage) |
 | Il Divo | - | Themselves (archive footage) |
 | Miriam Díaz-Aroca | - | Herself (archive footage) |
| Álex García | - | Himself - Hip Hop Dancer |
 | Aída Gómez | - | Herself |
 | Jennifer Lopez | - | Herself - Musical Guest (archive footage) |
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