Rolling off Berlin-premiering “Diplomacy,” Gaumont is teaming up with Volker Schlöndorff for his English-language drama “Return to Montauk” toplining Stellan Skarsgard (“Nymphomaniac”) and Nina Hoss (“Barbara”). Based on Max Frisch’s novel, pic will star Skarsgard as a novelist who travels to New York to promote his latest book and runs into a German expat he...