Calificación
Reparto
Jan Tříska
Jan Svozil
Jaroslav Rava
Stanislav Hradecký
Jana Hlaváčková
Vlasta Martínková
Gabriela Wilhelmová
Hana
Zdena Herfortová
Eva Svozilová
Oldřich Vykypěl
ROH chairman
Oldřich Slavík
Jaroslav Stehlík (uncredited)
Jiří Hanák
Miroslav Janoušek (uncredited)
Vilém Pfeiffer
Bartoněk (uncredited)
Jiří Dušek
Zdražil (uncredited)
Milan Pásek
Institute director (uncredited)
Karel Adam
Department manager (uncredited)
Helena Trýbová
Scientist (uncredited)
Vladimír Pavlar
Doc. Rozehnal (uncredited)
Bohumil Slezáček
Professor (uncredited)
