The world is made up of yellow people, who turn green if they accept a bribe. As the world becomes increasingly full of green people, everyone turns their attention towards the one hat shop girl who refuses to be corrupted.
Unfortunately the movie Circulation is not yet available on HBO Max.
| Directing | Jaroslav Doubrava | Director |
| Directing | Miloš Macourek | Director |
| Directing | Adolf Born | Director |
| Visual Effects | Jaroslav Doubrava | Animation |
| Visual Effects | Josef Hekrdla | Animation |
| Camera | Zdena Hajdová | Camera Operator |
| Art | Adolf Born | Graphic Designer |
| Sound | Luboš Fišer | Music |
| Visual Effects | Věra Marešová | Animation |
| Writing | Adolf Born | Screenplay |
| Visual Effects | Nataša Boháčková | Animation |
| Writing | Miloš Macourek | Idea |
| Camera | Jaroslav Forman | Camera Operator |
| Writing | Miloš Macourek | Screenplay |
| Editing | Gaia Vítková | Editor |
| Crew | Jindřich Vodička | Dramaturgy |
| Editing | Marta Látalová | Editor |
| Sound | František Černý | Sound |
| Production | Jiří Šebestík | Production Manager |
| Writing | Jaroslav Doubrava | Screenplay |
