In the oldest cliché of the business, Luna Wedler has spent a decade becoming an overnight success. At 26, the Zurich-born German actress is suddenly everywhere — on streaming platforms, on festival red carpets, and, last fall, on the stage of Venice’s Sala Grande, where she collected the Marcello Mastroianni Award for best young actor for her powerful turn in Ildikó Enyedi’s triptych Silent Friend. The moment felt less like a breakthrough than a coronation, the European industry finally catching up with a performer who has been quietly proving, film by film, that she can do just about anything. Wedler fell into acting almost by accident. At 14, she tagged along with friends to an open casting call in Zurich and landed a role in Niklaus Hilber’s Amateur Teens. “I never had the dream of becoming an actress,” she tells THR. “But it became my great love, almost an addiction.” From the outset, she gravitated toward emotionally demanding material. Her first lead role, in Lisa Brühlmann’s Blue My Mind (2017), cast her as a teenage …