Amid David’s disbelief and stupefaction, 'Sandwich Cat' explains himself: he’s an alien who has swapped minds with his cat. He will spend a day with David and, depending on what he observes and hears, he will decide whether or not to destroy the human species. David, unsurprisingly, goes nuts.
| Actor | Role |
|---|---|
 Lidia VeigaSandwich Cat | Sandwich Cat |
| Lidia VeigaMaría | María |
| Lidia VeigaAlien 2 | Alien 2 |
| DDavid FidalgoDavid | David |
| DDavid FidalgoAlien 1 | Alien 1 |
| DDavid FidalgoSeñor Rico | Señor Rico |
| PPablo FontenlaCamarero | Camarero |
| PPablo FontenlaEspíritu Santo | Espíritu Santo |
| PPablo FontenlaPresentador | Presentador |
| GGonzalo E. VelosoPresidente | Presidente |