The summer holidays are approaching and the children are bragging about all the exciting places they are going to visit during the long-awaited two months of summer. Only Tonda is not looking forward to staying in Prague over the holidays. He brightens up after his father announces that the boy can visit some friends of the family in the village of Petipas.
| Actor | Role |
|---|---|
| JJiří KúkolTonda | Tonda |
| RRobert KrásnýRuda | Ruda |
| JJana PetrusováAnca | Anca |
| JJindřich MatysNot listed | Not listed |
 Helena RůžičkováLudvíková | Ludvíková |
 Karel AugustaLudvík | Ludvík |
 Václav PostráneckýHoudek | Houdek |
 Jana AndresíkováHoudková | Houdková |
 Václav KotvaTeacher | Teacher |
| RRadim MahdalNot listed | Not listed |
| AAntonín KasperNot listed | Not listed |
| JJaroslav KučeraNot listed | Not listed |
| VVáclav HalamaRailway Worker | Railway Worker |
| JJosef PacltFranta | Franta |
| RRichard MedekNot listed | Not listed |
 Viktorie ČermákováNot listed | Not listed |
| JJakub KučeraBoy | Boy |
| MMartin MařanBoy | Boy |
| ZZdeněk MatušBoy | Boy |
 Roman TkachukBoy | Boy |
| DDaniel BagínBoy | Boy |
| VVáclav ToupalBoy | Boy |
 Mirko MusilRailway Worker (voice) | Railway Worker (voice) |