Before Judith Godrèché kickstarted a #MeToo wave in the French film industry, she was one of the first prominent actors to go on the record against Harvey Weinstein. Godrèche and the film’s collaborators walked the Cannes Film Festival’s red carpet Wednesday to premiere “Moi Aussi,” a short film dedicated to victims of sexual abuse. Together, they stood on the steps of the Palais des Festivals with hands covering their mouths.