Vojtěch Štursa
Director
Zdeněk Čecháček
Screenplay
Rudolf Večeřa
Sound
Alena Hachlová
Editor
Jiří Kačírek
Director of Photography
Ilona Stáňová
Production Manager
Luděk Škuta
Set Designer
Zdeněk Čecháček
Story
Jiří Daněk
Dramaturgy
Pavel Blatný
Original Music Composer
Oldřich Hubáček
Costume Design
Jan Tříska
Jan Svozil
Jana Hliňáková
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)
Arnošt Navrátil
Doctor (uncredited)
Sylvie Nitrová
Nurse (uncredited)
Marcela Dürrová
Laboratory assistant (uncredited)
Miroslav Donutil
Assistant (uncredited)
Milan Kročil
Assistant (uncredited)
Zdeněk Maryška
Assistant (uncredited)
Zdeněk Dryšl
Houseman (uncredited)
Jana Gazdíková
Secretary (uncredited)
Blažena Rýznarová
Official (uncredited)
Markéta Rauschgoldová
Canteen assistant (uncredited)