A thriller about Polish Intelligence Service working on detecting a net of foreign spies.
| Directing | Jan Batory | Director |
| Writing | Anatol Leszczynski | Novel |
| Writing | Anatol Leszczynski | Screenplay |
| Directing | Aleksander Sajkow | First Assistant Director |
| Directing | Mieczysława Taraszkiewicz | Assistant Director |
| Directing | Ryszard Pluciński | Assistant Director |
| Writing | Andrzej Wydrzyński | Dialogue |
| Camera | Antoni Wójtowicz | Director of Photography |
| Camera | Zbigniew Czajkowski | Camera Operator |
| Camera | Józef Letkier | Assistant Camera |
| Camera | Tadeusz Zając | Assistant Camera |
| Art | Zdzisław Kielanowski | Production Design |
| Art | Wiesław Głażewski | Assistant Production Design |
| Art | Franciszek Garczyński | Assistant Production Design |
| Costume & Make-Up | Alicja Waltos | Costume Design |
| Sound | Leszek Wronko | Sound |
| Sound | Lech Kowalewski | Sound Assistant |
| Editing | Krystyna Batory | Editor |
| Editing | Lena Deptula | Assistant Editor |
| Costume & Make-Up | Zdzislaw Papierz | Makeup Artist |
| Costume & Make-Up | Teodor Grymaszewski | Assistant Makeup Artist |
| Production | Konstanty Lewkowicz | Production Manager |
| Production | Wiesław Grzelczak | Assistant Production Manager |
| Production | Donat Bilski | Assistant Production Manager |
| Production | Maria Burdecka | Assistant Production Manager |