Imperialist spies try to disrupt and stop production in a large steelworks.
| Costume & Make-Up | Jadwiga Swiętosławska | Makeup Artist |
| Costume & Make-Up | Alicja Waltos | Costume Design |
| Editing | Lidia Pacewicz | Editor |
| Art | Adam Nowakowski | Production Design |
| Directing | Maria Kaniewska | Director |
| Costume & Make-Up | Halina Sieńska | Makeup Artist |
| Writing | Adam Ważyk | Writer |
| Camera | Romuald Kropat | Director of Photography |
| Camera | Kazimierz Wawrzyniak | Director of Photography |
| Sound | Witold Krzemieński | Original Music Composer |
| Directing | Wadim Berestowski | Assistant Director |
| Directing | Ewa Petelska | Assistant Director |
| Directing | Tadeusz Kończakowski | Assistant Director |
| Camera | Stefan Matyjaszkiewicz | Assistant Camera |
| Camera | Czesław Świrta | Assistant Camera |
| Lighting | Jozef Ciecwirek | Lighting Technician |
| Art | Józef Galewski | Painter |
| Art | Wiesław Śniadecki | Assistant Production Design |
| Art | Halina Sulkowska | Assistant Production Design |
| Sound | Witold Krzemieński | Conductor |
| Sound | Leszek Wronko | Sound |
| Sound | Józef Dąbrowski | Sound Assistant |
| Sound | Jerzy Szczecinski | Sound Assistant |
| Editing | Jerzy Pękalski | Assistant Editor |
| Camera | Dymitr Sprudin | Still Photographer |
| Production | Jerzy Nitecki | Production Manager |
| Production | Henryk Strzebiecki | Production Assistant |
| Production | Jerzy Nowiński | Production Assistant |
| Production | H. Michalak | Production Assistant |