a Sony Pictures Classics release, Three T Productions ; presents Nikita Mikhalkov's film ; producers, Nikita Mikhalkov, Leonid Vereschagin ; screenplay by Nikita Mikhalkov, Alexander Novototsky-Vlasov, Vladimir Moiseenko ; director, Nikita Mikhalkov
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