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