Directed by
| Antonín Kachlík | ||
Writing Credits (in alphabetical order)
| Jirí Svejda | ||
Cast (in credits order)
| Zdenek Maryska | ... | Lumír Brabec | |
| Sylvia Turbová | ... | Lída Masková (as Sylvie Turbová) | |
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Josef Hajducík | ... | Otakar |
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Jana Ebertová | ... | Masková |
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Karel Dellapina | ... | reditel výzkumného ústavu Maska |
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Dana Maríková | ... | Jana |
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Frantisek Houdek | ... | dr. Polák |
| Bozena Böhmová | ... | Lumírova matka | |
| Bohumil Smída | ... | Lumíruv otec | |
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Oldrich Vykypel | ... | reditel Bárta |
| Vladimír Hrabánek | ... | Brousek | |
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Jana Prágerová | ... | Irena |
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Karel Semerád | ... | Petr Cepek |
| Jan Kuzelka | ... | Pilar | |
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Mojmír Heger | ... | Slepicka |
| Jirí Lír | ... | ing. Gresl | |
| Stanislav Zindulka | ... | Lisar | |
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Hana Zaoralova | ... | Marie |
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Ladislav Kolár | ... | Milenec |
| Zdenek Sedlácek | ... | Roman | |
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Miroslav Bezdícek | ... | Pavelka |
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Jaroslav Toms | ||
| Rest of cast listed alphabetically: | |||
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Zdenek Dvorák | ||
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Jirí Ruzicka | ||
| Jirí Ruzicka | |||
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Václav Stercl | ||
| Václav Svorc | |||
Music by
| Josef Bohác | ||
Cinematography by
| Josef Pávek | ||
Editing by
| Jaromír Janácek | ||
Art Direction by
| Bohumil Pokorný | ||
Costume Design by
| Marta Kaplerová | ||
Camera and Electrical Department
| Karel Jesátko | ... | still photographer |