In early 20th century Czechoslovakia, a gravely ill chemist recalls his discovery of a powerful explosive and how it landed in the hands of anarchists.
| Directing | Otakar Vávra | Director |
| Writing | Karel Čapek | Novel |
| Sound | Emil Poledník | Sound |
| Editing | Antonín Zelenka | Editor |
| Writing | Otakar Vávra | Screenplay |
| Sound | Jiří Srnka | Original Music Composer |
| Camera | Václav Hanuš | Director of Photography |
| Costume & Make-Up | Václav Kamarád | Makeup Artist |
| Costume & Make-Up | Marie Bartoňková | Costume Consultant |
| Costume & Make-Up | Oldřich Mach | Makeup Artist |
| Directing | František Milič | Assistant Director |
| Art | Jiří Kollinger | Assistant Production Design |
| Art | Jan Zázvorka | Production Design |
| Production | Karel Feix | Executive Producer |
| Writing | Otakar Vávra | Creative Producer |
| Writing | Jaroslav R. Vávra | Screenplay |
| Directing | Jindřich Polák | Assistant Director |
| Crew | Věra Ženíšková | Script |
| Camera | Felix Leibl | Assistant Camera |
| Camera | Rudolf Stahl | Assistant Camera |
| Art | František Rieger | Set Decoration |
| Costume & Make-Up | Štěpán Dušánek | Costumer |
| Costume & Make-Up | Bohuslava Havrdová | Costumer |
| Costume & Make-Up | Ladislav Tomek | Costumer |
| Costume & Make-Up | R. Nováková | Costumer |
| Costume & Make-Up | J. Janda | Makeup & Hair |
| Production | Bohumil Šmída | Production Manager |
| Production | Miroslav Šimonek | Unit Production Manager |
| Production | Jiří Pokorný | Unit Production Manager |
| Production | Fr. Švehla | Accountant |
| Sound | Otakar Pařík | Conductor |
