The film is based on real events and reveals the tragic episodes from the life of the Austrian biologist scientist-materialist Paul Kammerer (1880-1926), hunted by regressive scientists and Catholic reactionaries who committed suicide.
Bernhard Goetzke
as Professor Zange
Наталья Розенель
as Felitsia, professor's wife
Elza Temary
as Berta, professor's assistant
Николай Хмелёв
as Prince Karlstein
Сергей Комаров
as Bsheshinski, Jesuit
Владимир Фогель
as Baron, reactionary
Mikhail Doller
as Russian student Filonov, professor's assistant
Александр Чистяков
as Pryer, typographer
Александр Громов
as Shtrombakh
Анатолий Луначарский
as
Анна Земцова
as
Gyulbike Shcherbatova
as
