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
directed by Boris B. Bertram ; performed by Maria 'Masha' Greyf, Vladimir 'Vova' Vdovenko and Chelyabinsk Contemporary Dance Theatre ; produced by Sara Stockmann