Strict and always dissatisfied grumbler Mr. Angel gets a voucher for summer recreation. He rejects it at first but he eventually decides to use it and spend 14 days in unionist hut Jezerka together with other merited co-workers.
| Directing | Bořivoj Zeman | Director |
| Writing | František Vlček | Story |
| Writing | Josef Neuberg | Story |
| Camera | Jan Stallich | Director of Photography |
| Editing | Josef Dobřichovský | Editor |
| Sound | Dalibor C. Vačkář | Original Music Composer |
| Sound | Otakar Pařík | Conductor |
| Writing | Jaroslav Mottl | Lyricist |
| Writing | Josef Neuberg | Lyricist |
| Writing | František Vlček | Lyricist |
| Directing | Bohumil Svoboda | Assistant Director |
| Directing | Květa Ondráková | Assistant Director |
| Writing | Jaroslav Mottl | Screenplay |
| Writing | Bořivoj Zeman | Screenplay |
| Writing | Josef Neuberg | Screenplay |
| Writing | František Vlček | Screenplay |
| Camera | Bohumil Hába | Assistant Camera |
| Art | Jan Pacák | Production Design |
| Art | Franta Novák | Set Decoration |
| Costume & Make-Up | Karel Postřehovský | Costume Design |
| Costume & Make-Up | Marie Malá | Costumer |
| Costume & Make-Up | Karel Marek | Makeup & Hair |
| Sound | Emanuel Formánek | Sound |
| Sound | František Černý | Sound |
| Production | Ladislav Terš | Production Manager |
