Children with their musical instruments are able to drive lazy Martin out of the furnace and punish him for his laziness.
Unfortunately the movie Kalamajka is not yet available on HBO Max.
| Sound | Zdeněk Jonák | Original Music Composer |
| Directing | Hermína Týrlová | Director |
| Editing | Zdeněk Stehlík | Editor |
| Writing | Hermína Týrlová | Screenplay |
| Production | Dušan Schaffer | Production Manager |
| Camera | Míla Bráníková | Director of Photography |
| Writing | Hermína Týrlová | Story |
| Writing | Josef Menzel | Screenplay |
| Art | Zdeněk Miler | Art Designer |
| Visual Effects | Jan Dudešek | Animation |
| Sound | Štěpán Koníček | Conductor |
| Visual Effects | Václav Dobrovolný | Animation |
