The film is based on the well-known, translated into many languages novel of writer Pawel Huelle. It is imbued with nostalgia and the atmosphere of mystery story of a group of children, fascinated by the figure of a man named David Weiser.
| Directing | Wojciech Marczewski | Director |
| Writing | Maciej Strzembosz | Writer |
| Writing | Tony Grisoni | Writer |
| Writing | Pawel Huelle | Novel |
| Writing | Wojciech Marczewski | Screenplay |
| Camera | Krzysztof Ptak | Director of Photography |
| Art | Andrzej Kowalczyk | Production Design |
| Art | Anna Wunderlich | Set Decoration |
| Costume & Make-Up | Magdalena Biedrzycka | Costume Design |
| Sound | Zbigniew Preisner | Music |
| Sound | Marek Wronko | Sound |
| Sound | Joanna Napieralska | Sound |
| Sound | Mariusz Kuczynski | Sound |
| Sound | François Musy | Sound |
| Editing | Milenia Fiedler | Editor |
| Costume & Make-Up | Maria Dziewulska | Makeup Artist |
| Costume & Make-Up | Jolanta Szklarek | Makeup Artist |
| Costume & Make-Up | Esmé Sciaroni | Makeup Artist |
| Production | Paweł Mantorski | Production Manager |
| Production | Karin Wegmann | Production Manager |
| Production | Jutta Paarmann | Production Manager |
| Production | Krzysztof Zanussi | Producer |
| Production | Dorota Kośmicka-Gacke | Co-Producer |
| Art | Adam Nowakowski | Props |