Josh Finan , the rising British star best known for his recent TV work on shows such as “The Responder” (for which he was BAFTA TV nominated), “The Gentleman,” “Say Nothing” (playing Gerry Adams) and this year’s “Waiting for the Out,” has landed his first major film role. The actor — most recently seen in Netflix comedy drama “How to Get to Heaven From Belfast” — will star alongside Sydney Sweeney and Leo Woodall in “Custom of the Country,” Variety has learned. Sarah Turney, Kourtney Nichole