Directed by
| Milos Zábranský | ||
Cast
 |
Jaroslav Krejcí | ... | Inventor |
| Vít Olmer | ... | Jim Jefferson | |
| Vladimír Smeral | ... | Pavlov | |
Cinematography by
| Stefan Blazo | ||
Editing by
| Petr Pavlícek | ||
Additional Crew
| Alois Fisárek | ... | pedagogical guidance |
| Jirí Macháne | ... | pedagogical guidance |
| Vladimír Volf | ... | pedagogical guidance |
| Václav Vorlícek | ... | pedagogical guidance |
| Borivoj Zeman | ... | pedagogical guidance |
