The gnomes receive a strange letter from a mouse in distress. She has been trapped in a hole for days because the cat wants to eat her. When they arrive at the house, it turns out that someone else is behind the letter.
| Actor | Role |
|---|---|
 Walter de DonderKabouter Plop | Kabouter Plop |
 Agnes de NulKabouter Kwebbel | Kabouter Kwebbel |
 Aimé AnthoniKabouter Klus | Kabouter Klus |
 Chris CauwenberghsKabouter Lui | Kabouter Lui |
 Hilde VanhulleKabouter Smal | Kabouter Smal |