Registration of the third musical about Nijntje (Miffy). It's summer holidays and Miffy is going on a big trip, together with her parents and her friend Nina.
| Actor | Role |
|---|---|
 Eva PoppinkNijntje | Nijntje |
 Vanessa WerkhovenNina | Nina |
 Margot van DoornMoeder Pluis | Moeder Pluis |
 Pim van AltenVader Pluis | Vader Pluis |
 Annemarie HenselmansOma Pluis | Oma Pluis |
 Don van DijkeOpa Pluis | Opa Pluis |
| GGina FeduzziVerpleegster | Verpleegster |