A group of temporary workers arrive at the Czech-German border to conduct geological exploration. However, not all people have pure intentions and a past, and so the group of geologists is threatened by saboteurs who want to blow up an abandoned mine and escape across the border...
Josef Vinklář
Antonín Homolka
Stanislav Fišer
Ctirad
Zdeněk Braunschläger
Vojta
Rudolf Deyl
Stein
Rudolf Hrušínský
locksmith Alois Pohanka
Miloš Kopecký
Melichar Hnátek
Robert Vrchota
Ludvík Mikola
Josef Kemr
paleontolog Frantisek Jezek
Eva Kubešová
Ivanka Bartáková
Stella Zázvorková
Kveta Vejdovoda
Marie Kyselková
Anicka Safránková
Otto Lackovič
Rudolf Pecián
