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 |
| Directing | Miroslav Štěpánek | Director |
| Art | Miroslav Štěpánek | Art Direction |
| Sound | Benjamin Astrug | Sound |
| Sound | Štěpán Koníček | Conductor |
| Production | Zdeněk Bumba | Production Manager |
| Writing | Břetislav Pojar | Screenplay |
| Editing | Helena Lebdušková | Editor |
| Crew | Jan Poš | Dramaturgy |
| Writing | Ivan Urban | Story |
| Visual Effects | Pavel Procházka | Animation |
| Visual Effects | Stanislava Procházková | Animation |
| Writing | Ivan Urban | Screenplay |
| Production | Josef Pořický | Production Manager |
| Camera | Vladimír Malík | Director of Photography |