The cartoon film sets out to justify the existence of UNESCO as an instrument for world peace.
Unfortunately the movie Why UNESCO? is not yet available on HBO Max.
| Art | Jiří Trnka | Art Designer |
| Sound | Václav Trojan | Original Music Composer |
| Writing | Jiří Trnka | Screenplay |
| Directing | Jiří Trnka | Director |
| Visual Effects | František Vystrčil | Animation |
| Writing | Jiří Brdečka | Screenplay |
| Writing | Adolf Hoffmeister | Screenplay |
| Camera | Zdena Hajdová | Director of Photography |
| Sound | František Černý | Sound |
| Editing | Zdena Navrátilová | Editor |
| Production | Vladislav Hofman | Production Manager |
| Writing | Jiří Trnka | Idea |
| Camera | Ivan Masník | Director of Photography |
| Writing | Adolf Hoffmeister | Idea |