No backdrop availableNo posterKdo s koho1954January 1, 1954 · CzechoslovakiaSave to watchlistMark as seenShareDetailsStatusReleasedRelease dateJanuary 1, 1954Original languageCzechSpoken languagesCzechCountriesCzechoslovakiaProductionStudio populárně vědeckých a naučných filmů PrahaBudgetNot recordedRevenueNot recorded