An adventurous letter that wandered around the world instead of rushing to a summer camp to see its little recipient.
| Directing | Hermína Týrlová | Director |
| Writing | Hermína Týrlová | Story |
| Writing | Hermína Týrlová | Screenplay |
| Directing | Josef Pinkava | Director |
| Writing | Josef Pinkava | Story |
| Writing | Josef Pinkava | Screenplay |
| Camera | Antonín Horák | Director of Photography |
| Art | Ludvík Kadleček | Art Designer |
| Art | Václav Dobrovolný | Art Designer |
| Editing | Antonín Štrojsa | Editor |
| Sound | František Strangmüller | Sound |
| Sound | Bohumír Brunclík | Sound Effects |
| Visual Effects | Jan Dudešek | Animation |
| Production | Dušan Schaffer | Production Manager |
| Sound | Zdeněk Liška | Original Music Composer |
