Mafalda is an exceptional child, since her curiosity, world view and existential consciousness are broader than those of almost all human beings.
| Actor | Role |
|---|---|
| SSusana KleinMafalda (voice) | Mafalda (voice) |
 Cecilia GispertMiguelito (voice) | Miguelito (voice) |
| NNelly HeringMamá de Mafalda (voice) | Mamá de Mafalda (voice) |
| OOscar SilvaPapá de Mafalda (voice) | Papá de Mafalda (voice) |
| Cecilia GispertFelipe (voice) | Felipe (voice) |
| PPaqui BalaguerManolito (voice) | Manolito (voice) |