When Sundukov reads a mystery novel, footage illustrating his vivid imagination of the book's plot is re-purposed from O Filho de Frankenstein (1939). All four top-billed actors from the movie are see: Boris Karloff, Basil Rathbone, Bela Lugosi and Lionel Atwill. Oddly enough, movie itself was never readily available or shown in the Soviet Union, although other Universal Horror movies such as Cena Final (1929) and O Homem Invisível (1933) had widespread distribution.