Directed by:
Martin FričScreenplay:
Vladimír NeffCinematography:
Jan StallichComposer:
Dalibor C. VačkářCast:
Vladimír Ráž, Zdeněk Štěpánek, Jiřina Petrovická, Vlastimil Brodský, Svatopluk Beneš, Rudolf Hrušínský, Rudolf Deyl ml., Radovan Lukavský (more)Plots(1)
Dr. Jan Janský discovered four types of human blood, but he never won the deserved recognition, for he was despised by his less successful or suspicious colleagues. Biopic movie Secret of Blood is one of the few 1950s socialist films that didn’t work with ideological clichés. (Summer Film School)
Cast
![Vladimír Ráž](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/271/271972_1202c8.jpg)
Vladimír Ráž
Czechoslovakia
Best movies:
Once Upon a Time, There Was a King... (1954)
Sňatky z rozumu (1968) (series)
Muž v pozadí (1995) (series)
![Zdeněk Štěpánek](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/268/268704_3875a5.jpg)
Zdeněk Štěpánek
Austria-Hungary
Best movies:
Malér (1965) (TV movie)
The Emperor's Baker - The Baker's Emperor (1951)
Lucerna (1967) (TV movie)
![Jiřina Petrovická](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/275/275097_9a7d05.jpg)
Jiřina Petrovická
Czechoslovakia
Best movies:
Hrdinové okamžiku (1961) (series)
Krakatit (1948)
Zadržitelný vzestup Arthura Uie (1979) (theatrical recording)
![Vlastimil Brodský](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/164/281/164281492_215952.jpg)
Vlastimil Brodský
Czechoslovakia
Best movies:
Tažní ptáci (1983) (TV movie)
Secluded, Near Woods (1976)
Men About Town (1969)
![Svatopluk Beneš](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/271/271435_494e2a.jpg)
Svatopluk Beneš
Austria-Hungary
Best movies:
Sňatky z rozumu (1968) (series)
Lucerna (1967) (TV movie)
The Good Soldier Schweik (1956)
![Rudolf Hrušínský](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/268/268155_27d6b5.jpg)
Rudolf Hrušínský
Czechoslovakia
Best movies:
Higher Principle (1960)
The Elementary School (1991)
Journey into the Depth of the Student's Soul (1939)
![Rudolf Deyl ml.](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/270/270429_aa6385.jpg)
Rudolf Deyl ml.
Austria-Hungary
Best movies:
Lucerna (1967) (TV movie)
Lemonade Joe (1964)
The Good Soldier Schweik (1956)
![Radovan Lukavský](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/268/268632_0d32e7.jpg)
Radovan Lukavský
Czechoslovakia
Best movies:
Higher Principle (1960)
Tažní ptáci (1983) (TV movie)
Sňatky z rozumu (1968) (series)
![Vlasta Chramostová](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/268/268290_3dd93f.jpg)
Vlasta Chramostová
Czechoslovakia
Best movies:
The Cremator (1968)
Hrdinové okamžiku (1961) (series)
The White Lady (1965)
![Gustav Hilmar](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/271/271653_eb356c.jpg)
Gustav Hilmar
Austria-Hungary
Best movies:
Higher Principle (1960)
Journey into the Depth of the Student's Soul (1939)
School Is the Foundation of Life (1938)
![Světla Svozilová](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/165/056/165056146_53ecf2.png)
Světla Svozilová
Austria-Hungary
Best movies:
Sňatky z rozumu (1968) (series)
The Good Soldier Schweik (1956)
Hrdinové okamžiku (1961) (series)
![Bohuš Hradil](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/274/274311_459844.jpg)
Bohuš Hradil
Austria-Hungary
Best movies:
![Josef Hlinomaz](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/268/268635_bd9592.jpg)
Josef Hlinomaz
Austria-Hungary
Best movies:
The Emperor's Baker - The Baker's Emperor (1951)
Lemonade Joe (1964)
The Good Soldier Schweik (1956)
![Miloš Vavruška](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/268/268673_a96644.jpg)
Miloš Vavruška
Czechoslovakia
Best movies:
Charleyova teta (1969) (theatrical recording)
Sňatky z rozumu (1968) (series)
Three Wishes for Cinderella (1973)
![Václav Trégl](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/268/268144_b1f8f7.jpg)
Václav Trégl
Austria-Hungary
Best movies:
Marecek, Pass Me the Pen! (1976)
Těžká Barbora (1960) (theatrical recording)
Secluded, Near Woods (1976)
![Emil Bolek](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/274/274534_2005a3.jpg)
Emil Bolek
Austria-Hungary
Best movies:
The Secret of Blood (1953)
Hostinec „U kamenného stolu“ (1948)
The Respectable Ladies of Pardubice (1944)
![Ilona Kubásková](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/275/275098_44da69.jpg)
Ilona Kubásková
Austria-Hungary
Best movies:
The White Lady (1965)
Dařbuján a Pandrhola (1959)
The Poacher's Foster Daughter or Noble Millionaire (1949)
![František Filipovský](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/268/268130_966c13.jpg)
František Filipovský
Austria-Hungary
Best movies:
Hamlet (1986) (theatrical recording)
Lišák Pseudolus (1960) (TV movie)
Marecek, Pass Me the Pen! (1976)
![Miloš Kopecký](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/268/268171_8131f9.jpg)
Miloš Kopecký
Czechoslovakia
Best movies:
Semafor - Největší hity (2005) (video compilation)
Dům na nebesích (1984) (theatrical recording)
Once Upon a Time, There Was a King... (1954)
![Lubomír Lipský st.](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/268/268173_7324a0.jpg)
Lubomír Lipský st.
Czechoslovakia
Best movies:
Charleyova teta (1969) (theatrical recording)
Once Upon a Time, There Was a King... (1954)
Sváko Ragan (1976) (TV movie)