
The story of high school students, talented Jan and Karel, who has a problem with math. Their life affects pedantic professor of mathematics Klec, that goes with them on a school trip, which escalates the conflict between them. Jan wants to escape, but Professor Donat will discourage him. Karel fails the exam of mathematics and decides to commit suicide.
Cast

Jindřich Plachta
Kleč

František Smolík
Donát

Antonín Novotný
Jan Šimon
Miroslav Svoboda
Karel Kafka

Gustav Hilmar
Kafka

Eliška Pleyová
Jansová
Věra Gabrielová
Marta
Zora Myslivečková
Eva

Bedřich Vrbský
Unknown
Bohdan Lachman
Unknown
Ferdinand Jarkovský
Unknown
František V. Kučera
Unknown
Viktor Nejedlý
Unknown
Mirko Eliáš
Unknown
Karel Postranecký
Unknown

Bolek Prchal
Unknown

Bohumil Šmída
Unknown

Elmar Klos
Unknown

František Čáp
Unknown

Jiří Vondrovič
Unknown
Ota Kučera
Unknown
Jan Vyskočil
Unknown
Miloš Midloch
Unknown
František Sádek
Unknown
Jarka Ženatý
Unknown
Vladimír Novotný
Unknown

Vladimír Čech
Unknown

František Filipovský
Unknown
Josef Picek
Unknown
Anatanas Varnas
Unknown
Zdeněk Zach
Unknown
Irena Novožilová
Unknown

Helena Bušová
Unknown
Bobina Horká
Unknown
Irina Vergunová
Unknown
Anna Gabrielová
Unknown
Václav Menger
Unknown
J. O. Martin
Unknown
Josef Steigl
Unknown

František Kovářík
Unknown
Otakar Mrkvička
Unknown
Václav Pecián
Unknown
Josef Oliak
Unknown
Miloš Makovec
Unknown
Gustav Schorsch
Unknown
Eduard Hofman
Unknown
Vlastimil Borovička
Unknown
Karel Šmíd
Unknown
Crew

Svatopluk Innemann
Director, Editor
Vladislav Vančura
Director, Story
Josef Neuberg
Screenplay
Julius Schmitt
Story, Production Design
Antonín Zelenka
Editor

Otto Heller
Director of Photography

Václav Vích
Director of Photography
Walter Schorsch
Assistant Director
František Jerhot
Assistant Director
Vilém Rittershain
Production Design
Bedřich Feuerstein
Production Design
Josef Střecha
Assistant Camera
Josef Zora
Sound

E. F. Burian
Original Music Composer, Lyricist

Josef Gruss
Lyricist
Vítězslav Nezval
Lyricist