| Episode credited cast: |
 | Tània Sarrias | - | Herself - Host (as Tània Sàrrias) |
| Rest of cast listed alphabetically: |
| Àngels Barceló | - | Herself (archive footage) |
 | Ed Begley Jr. | - | Dr. Victor Ehrlich (archive footage) |
| David Bustamante | - | Himself (archive footage) |
 | Marc Cartes | - | Himself |
| Josep Cuní | - | Himself (archive footage) |
| Helena García Melero | - | Herself (archive footage) |
 | Miquel Gelabert | - | Himself |
 | Howie Mandel | - | Dr. Wayne Fiscus (archive footage) |
| Pol Marsà | - | Himself |
 | David Morse | - | Dr. Jack Morrison (archive footage) |
| Albert Om | - | Himself (archive footage) |
 | Christina Pickles | - | Nurse Helen Rosenthal (archive footage) |
 | Cristina Puig | - | Herself (archive footage) |
 | Antonio Resines | - | Himself (archive footage) |
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