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