Watch Hey, Mister, Let’s Play! How They Went to Sleep on HBO Max.
Unfortunately the movie Hey, Mister, Let’s Play! How They Went to Sleep is not yet available on HBO Max.
| Sound | Wiliam Bukový | Original Music Composer |
| Visual Effects | Boris Masník | Animation |
| Directing | Břetislav Pojar | Director |
| Writing | Břetislav Pojar | Screenplay |
| Editing | Helena Lebdušková | Editor |
| Writing | Ivan Urban | Story |
| Sound | Benjamin Astrug | Sound |
| Visual Effects | Pavel Procházka | Animation |
| Production | Zdeněk Bumba | Production Manager |
| Art | Miroslav Štěpánek | Art Direction |
| Visual Effects | Stanislava Procházková | Animation |
| Sound | Štěpán Koníček | Conductor |
| Writing | Ivan Urban | Screenplay |
| Camera | Vladimír Malík | Director of Photography |
| Production | Josef Pořický | Production Manager |
| Crew | Jan Poš | Dramaturgy |
| Directing | Miroslav Štěpánek | Director |