"An occupation drama about a group of Czech scientists who, in a remote factory, investigate how to produce the vital penicillin as easily as possible - but for a long time they have been unable to find the only right mould to use as a base."
Karel Meister
as MUDr. Bohumír Benda
Vlastimil Hašek
as
Karel Vochoč
Kamil Bešťák
Vladimír Čech
Zdena Bittlová
as Alena
Nora Houfová
Jana Andresíková
Václav Neužil st.
Miloš Vavruška
Jaroslava Šebestová
Jan Jakl
Traute Sense
Oldřich Velen
Erik Vacek
Jindřich Narenta
Ota Sklenčka
Václav Vydra
Norbert Chotaš
Boris Černý
Jiří Zach
Karel Fiala
Karel Havránek
Lena Birková
Miloslav Šindler
Luděk Munzar
as Narrator (voice)
Jiří Němeček
as MUDr. Bohumír Benda (voice)
Alena Kreuzmannová
as Alena (voice)
Ladislav Hanuš
Production Manager
René Mattes
Assistant Director
Vladimír Bor
Creative Producer
Květa Ondráková
First Assistant Director
Zdena Pavlátová
Jiří Lehovec
Story
Screenplay
Zdeněk Šibrava
Director of Photography
Jiří Šebor
Executive Producer
Oldřich Žák
Zdena Šnajdarová
Costumer
Jaroslav Čermák
Makeup & Hair
Unit Production Manager
Kamil Kadeřábek
Camera Operator
Eliška Doubková
Assistant Production Manager
Antonín Stránský
Václav Kozel
Set Decoration
Jiří Polák
Assistant Camera
Bohumír Brunclík
Sound Effects
Jaromír Lukáš
Jordan Balurov
František Straka
Ludmila Kaválková
Luděk Marold
Ivan Karel
Boris Moravec
Production Design
František Novotný
František Belfín
Conductor
Václav Zavřel
Jaromír Holpuch
Jiří Cirkl
Book
Director
Zbyněk Hloch
Jaromír Janáček
Editor
Roman Hloch
Sound
Zdeněk Liška
Original Music Composer
Costume Design