directed by Natalya Nazarova ; performed by Vladimir Mishukov, Nadezhda Gorelova ; produced by Maxim Dashkin, Danil Ferbikov, Boris Frumin, Denis Kovalevskiy, Anna von Dziembowska, Victoria Films, Salt Studio
HBO Documentary Films presents ; Goldcrest Films and Roast Beef Productions, in association with BBC, Bertha/Britdoc ; a film by Mike Lerner, Maxim Pozdorovkin ; produced and directed by Mike Lerner, Maxim Pozdorvkin