Monsterville is a village inhabited by monsters that have grown tired of living among humans. But one day, Hanna manages to break into her world by putting Monsterville at risk. After the initial fright, the monsters will have to fight against worse enemies: Gargoyle and Cyclops, two monsters that will want to use Hanna to permanently close any contact with the outside world ... running the risk of Hanna being trapped forever in Monsterville.
| Actor | Role |
|---|---|
| PPep PapellPare (voice) | Pare (voice) |
| SSavannah FortHanna (voice) | Hanna (voice) |
| AAnna OrraGàrgola (voice) | Gàrgola (voice) |
| OOriol RafelIeti (voice) | Ieti (voice) |
 Núria TrifolNessi (voice) | Nessi (voice) |
| EEli BeuterLloba (voice) | Lloba (voice) |
 Aleix EstadellaCíclop (voice) | Cíclop (voice) |
| GGemma IbáñezGran Arbre (voice) | Gran Arbre (voice) |
| SSergi ManiBolet (voice) | Bolet (voice) |
| PPep RibasRoca Màgica (voice) | Roca Màgica (voice) |
| DDiana de GuzmánVaris (voice) | Varis (voice) |
 Edgar MorenoVaris (voice) | Varis (voice) |
| EEllen RöhrmanWijze Boom (NL) | Wijze Boom (NL) |