Stay on international pioneer camp in Bulgaria will take three children so much that he decides to still enjoy swimming - and missed the train. Two boys and a girl, then spend an exciting event when going home on their own. Usually educational overtones are attenuated this time, highlighted the contrary, courage and ability to help you in any situation.
| Directing | Jaromír Borek | Director |
| Writing | Jaromír Borek | Screenplay |
| Writing | Ota Hofman | Creative Producer |
| Writing | Atanas Tzenev | Screenplay |
| Writing | Jiří Melíšek | Story |
| Writing | Jiří Melíšek | Screenplay |
| Writing | Jaromír Borek | Screenplay |
| Crew | Jana Knitlová | Dramaturgy |
| Crew | Asen Georgiev | Dramaturgy |
| Camera | Jiří Stöhr | Director of Photography |
| Directing | Jan Mimra | First Assistant Director |
| Directing | Zdenek Zaoral | First Assistant Director |
| Directing | Rumyana Georgieva | First Assistant Director |
| Directing | Ignat Tasev | Assistant Director |
| Crew | Eliška Vojtová | Script |
| Camera | Rudolf Holan | Camera Operator |
| Camera | Milan Ognyanov | Camera Operator |
| Camera | Borislav Borozanov | Camera Operator |
| Camera | Bohumír Schwarzer | Assistant Camera |
| Art | Aysidora Zaydner | Production Design |
| Art | Jiří Petráček | Art Direction |
| Art | Kliment Avtov | Set Decoration |
| Art | Alexander Katzarski | Set Decoration |
| Art | Veneta Mincheva | Set Decoration |
| Art | Martin Růžička | Set Decoration |
| Art | Jiří Žůček | Set Decoration |
| Costume & Make-Up | Asya Popova | Costume Design |
| Costume & Make-Up | Yordanka Arsova | Costumer |
| Costume & Make-Up | Dimitar Koklin | Makeup & Hair |
| Costume & Make-Up | Ivanka Gorchinina | Makeup & Hair |
| Editing | Ivana Kačírková | Editor |
| Editing | Eliška Willigová | Assistant Editor |
| Sound | Adolf Nacházel | Sound |
| Production | Vladimír Vojta | Production Manager |
| Production | Vulcho Yordanov | Production Manager |
| Production | Hana Jarošová | Unit Production Manager |
| Production | Ivo Pitrák | Unit Production Manager |
| Production | Ivan Katzov | Unit Production Manager |
| Production | Pencho Dimitrov | Assistant Production Manager |
| Production | Viktorie Chukoranska | Unit Production Manager |
| Production | Vidyo Penev | Assistant Production Manager |
| Production | Milko Shishkov | Assistant Production Manager |
| Camera | Lidmila Eybergerová | Clapper Loader |
| Camera | Jaroslav Chlasták | Still Photographer |
| Camera | Karel Šebík | Still Photographer |
| Camera | Jaroslav Trousil | Still Photographer |
| Sound | Angelo Michajlov | Original Music Composer |
| Sound | Štěpán Koníček | Conductor |
| Writing | Miroslav Černý | Lyricist |
| Crew | Lubomír Šilhavík | Stunt Double |