František Smolík as Profesor Málek

Jana Brejchová as Jana Skálová

Ivan Mistrík as Vlastík

Jan Šmíd as Frantík

Alexandr Postler as Karel

Petr Kostka as Honza

Radovan Lukavský as Vondráček

Václav Lohniský as Profesor Richter

Marie Lukášová as profesorka

Miroslav Svoboda as profesor

Gustav Hilmar as Vandas

Bohuš Záhorský as Profesor

Marie Vášová as Vlastíkova matka

Otomar Krejča as Dr. Skála

Hannjo Hasse as Komisař Worliczek

František Pálka as Wolf

Nora Houfová as

Jindřich Narenta as

Rudolf Hrušínský as kolaborant Zajíček

Bedřich Prokoš as

Marie Glázrová as

Věra Tichánková as hospodyně

Zuzana Stivínová as

Stanislava Seimlová as

Jarmila Kurandová as

Vladimír Hlavatý as

Karel Pavlík as

Josef Kozák as

Jiří Kodet as

Elena Hálková as

Naděžda Gajerová as

Blažena Slavíčková as

Jan Skopeček as

Štěpán Bulejko as

Karel Enzmann as

Václav Švec as

Rudolf Široký as

Ladislav Gzela as

Bohuš Hradil as

František Suk as

Michal Staninec as

Libuše Švormová as

Jitka Frantová as

Luba Skořepová as

Elmar Kloss as

Jan Kühnmund as

Sheila Och as

Anna Procházková as

J. Müller as