How many movies have Boris Petrov and Isaak Dunayevsky collaborated on?

They have worked on 2 movies together! Their first movie together was Circus (1936) while their highest rated movie together was Volga - Volga (1938). They have not worked together since Volga - Volga (1938).

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Director of Photography
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Original Music Composer
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Director of Photography
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Original Music Composer