Plot
A biographical film about a Czech doctor, Dr. Jánský. The athletically inclined medic Jánský successfully completes his studies. He wants to become a surgeon, but finds himself in Professor Kuffner's psychiatric clinic, where, together with his colleague Kozdera, he tries to uncover the connection between blood clotting and mental illness. They make the surprising discovery that human blood can be divided into four groups and thus prevent it from clotting during transfusions. However, Jánský's discovery is met with misunderstanding by the Czech medical community...
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Cast
Vladimír Ráž
Dr. Jan Janský
Zdeněk Štěpánek
Prof. Kuffner
Jiřina Petrovická
Hedva
Vlastimil Brodský
Dr. Kozdera
Svatopluk Beneš
Dr. Regent
Rudolf Hrušínský
Kurzweil
Rudolf Deyl
Papik
Radovan Lukavský
Kolcava
Vlasta Chramostová
Kolcavova
Gustav Hilmar
Prof. Kyselka
Světla Svozilová
Kyselkova
Bohuš Hradil
Dr. Pluhar
Josef Hlinomaz
Guardian
Miloš Vavruška
Injured Soldier
Václav Trégl
Kolonka
Emil Bolek
Injured Comrade
Ilona Kubásková
Jansky's Nurse (1921)
František Filipovský
Doctor at Lecture
Bedřich Vrbský
Miloš Kopecký
Lékar na prednásce
Jan S. Kolár
Professor
Rudolf Sejrek
Pavel Nosek
Stana Jansky, as an adult
Antonín Hulínský
Lubomír Lipský
Doctor at Lecture
Miroslav Svoboda
Soldier with Stomach Wound
Ladislav Kulhánek
Dr. Horak
Karel Houska
Secret Police Agent
Ada Dohnal
Secret Police Agent
Bohumil Machník
Commissar
Meda Valentová
Secretary
Bedřich Bozděch
Clinic Porter
Josef Kollár
Prísedící
Zdena Kožíková
Nurse
Jindra Hermanová
Young Woman
Věra Váchová
Public Health Nurse
František Vandas
Marie Grossová
Patient
František Suk
Josef Steigl
Ludmila Hošková
Josef Kemr
Aggressive Psychiatric Patient
Fanda Mrázek
Václav Mareška
Josef Kozák
Doctor at Lecture
Jarmila Švabíková
Anita Janová
