Directed by
| Ladislav Rychman | ||
Writing Credits (in alphabetical order)
| Miloslav Drtílek | ... | (story) |
| Ludek Skuta | ... | (story) |
| Edvard Valenta | ... | (screenplay) |
Cast (in credits order)
| Vladimír Ráz | ... | Dr. Václav Pánek | |
| Václav Voska | ... | Dr. Vladimír Gajdos | |
| Irena Kacírková | ... | Dr. Lída Kafková | |
| Rudolf Deyl | ... | Sebek - captain of SNB | |
| Zora Polanová | ... | Marie Bosáková - assistant | |
| Jan Pivec | ... | Driver Hába | |
| Ladislav Pesek | ... | Karel Chládek | |
| Vladimír Hlavatý | ... | Janitor | |
| Felix Le Breux | ... | Director | |
| Milos Nedbal | ... | Ing. Karel Vlach | |
| Ferdinand Kruta | ... | Laboratory | |
| Mirko Musil | ... | Policeman | |
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Jan Maska | ... | Investigator #1 |
| Milos Vavruska | ... | Investigator #2 | |
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Zdenek Jelínek | ... | Guest (as Zdenek Jelinek) |
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Karel Krautgartner | ... | Musician |
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Josef Steigl | ||
| Rest of cast listed alphabetically: | |||
| Jaroslav Marvan | ... | Zouplna | |
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Adolf Smíd | ... | Trumpetista |
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Karel Turnovský | ... | Drummer |
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Jirí Verberger | ... | Hudebník-pianista |
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Antonín Zíb | ||
Music by
| Karel Krautgartner | ||
| Václav Lidl | ||
Cinematography by
| Alois Jirácek | ||
Editing by
| Miroslav Hájek | ||
Art Direction by
| Bohuslav Kulic | ||
Costume Design by
| Marie Mala | ||
Makeup Department
| Vladimír Petrina | ... | makeup artist |
| Jitka Polackova | ... | makeup artist |
Production Management
| Jirí Pokorný | ... | production manager |
| Vladimír Vojta | ... | assistant production manager |
Second Unit Director or Assistant Director
| Jaroslav Jaros | ... | second assistant director |
| Helena Pokorná | ... | first assistant director |
| Vladimir Zelenka | ... | assistant director |
Sound Department
| Dobroslav Srámek | ... | sound |
Camera and Electrical Department
| Karel Jesátko | ... | still photographer |
| Jaroslav Kupsík | ... | camera operator |
| Miroslav Sinkule | ... | assistant camera |
Music Department
| Filmový Symfonický Orchestr | ... | orchestra |
| Stepán Konícek | ... | conductor |
| Karel Krautgartner | ... | conductor |
Additional Crew
| Vladimír Kabelík | ... | production team |
| Bohumil Smída | ... | production team |
