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Cast
Milan Pásek
Institute director (uncredited)
Jana Gazdíková
Secretary (uncredited)
Oldřich Vykypěl
ROH chairman
Miroslav Donutil
Assistant (uncredited)
Zdeněk Maryška
Assistant (uncredited)
Zdena Herfortová
Eva Svozilová
Vilém Pfeiffer
Bartoněk (uncredited)
Ян Тржиска
Jan Svozil
Jana Hlaváčková
Vlasta Martínková
Gabriela Wilhelmová
Hana