Indian and Cowboy are about to set off on a magnificent cruise on a luxury liner, but they have made a big mistake. They completely forgot that today is the first day of school! Goodbye tropical islands, our friends are back at their desks in school listening as the teacher drones on and on.
| Actor | Role |
|---|---|
 Stéphane AubierCoboy (voice) | Coboy (voice) |
 Vincent PatarCheval / Monsieur Lambermont (voice) | Cheval / Monsieur Lambermont (voice) |
 Bruce EllisonIndien (voice) | Indien (voice) |
 Benoît PoelvoordeSteven (voice) | Steven (voice) |
 Véronique DumontJeanine (voice) | Jeanine (voice) |
 Bouli LannersSimon (voice) | Simon (voice) |
 Jeanne BalibarMadame Longrée (voice) | Madame Longrée (voice) |
 Ingrid HeiderscheidtL'hôtesse de l'air (voice) | L'hôtesse de l'air (voice) |
 Frédéric JanninGendarme (voice) | Gendarme (voice) |
| DDavid RicciAne (voice) | Ane (voice) |
 Nicolas BuysseVache (voice) | Vache (voice) |
| CChristine GruloisPoule (voice) | Poule (voice) |