Finnicky efficiency expert is sent to straighten out business management problems at a jazz club, and finds self being drawn into the swingin' scene.
| Directing | Karel Lamač | Director |
| Camera | Otto Heller | Director of Photography |
| Writing | Václav Wasserman | Screenplay |
| Directing | Martin Frič | Director |
| Writing | Franz Arnold | Theatre Play |
| Writing | Ernst Bach | Theatre Play |
| Art | Vilém Rittershain | Production Design |
| Editing | Marie Bourová | Editor |
| Sound | Helmuth Neumann | Sound |
| Writing | Fritz Anders | Screenplay |
