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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.
general audience, movie lovers
silent film
Czechoslovakia
asProfessor Oskar Grant
asAnny Grant
asIng. Milan Bell
asDr. Karel Selín
asDurk, the Magician
asFerdinand Kardan
asMartin Bálek
asBaron Evans Margus / Servant
asJan
asPresident of Police
asReporter
asGrant's Assistant
asHall
asSelín's Companion
asGatekeeper
asSeance Guest
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