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