The Golden Key, a 1939 movie combining live action and stop-motion animation.

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Main Cast: Sergei Martinson, Nikolai Bogolyubov, Olga Shaganova-Obraztsova, Raisa Khairova, S. Zonnenburg, Aleksandra Vasilyeva, Mikhail Dagmarov, Nikolai Michurin, Aleksandr Shchagin, George Uvarov

Director: Aleksandr Ptushko

Writers: Nikolai Leshchenko, Aleksei Tolstoy, Lyudmila Tolstaya

Editor:

Cinematographer: Nikolai Renkov

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