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