Christopher Vourlias While international audiences have gotten used to Russian auteurs on red carpets from the Croisette to the Dolby Theatre, where directors such as Andrey Zvyagintsev (“Leviathan,” “Loveless”) and Kantemir Balagov (“Beanpole”) have scooped up prestigious awards and Oscar nods, more and more Russian filmmakers are focused on making a splash in the global market.Buoyed by high-octane actioners and genre titles with slick special effects, international sales for Russian films