Overview

Professor Grant signs a contract with Dr. Selin for the sale of his invention of cold light with the plans for his invention being kept in Grant's apartment. The negotiations are secretly heard by the illusionist Durk, who wants to seize the invention. A few days later Selín is found dead, killed by a light bulb filled with poisonous gas. Durk performs at the birthday party of Grant's daughter Anna and seizes the plans for the invention.

Genres

Cast

Karel Fiala

Professor Oskar Grant

Anny Ondra

Anny Grant

Karel Lamač

Ing. Milan Bell

Jindřich Lhoták

Dr. Karel Selín

Emil Artur Longen

Durk, the Magician

Jan S. Kolár

Ferdinand Kardan

Přemysl Pražský

Martin Bálek

Josef Šváb-Malostranský

Jan