Ben Croll A beloved stalwart of the French film industry, actor Sandrine Kiberlain marks her directorial debut with “A Radiant Girl.” After premiering at Cannes’ Critics Week sidebar this past July, the film will now screen at the Torino Film Festival ahead of a domestic release early next year.Set during the fraught summer of 1942 and following a Jewish girl, Irene (Rebecca Marder), as she prepares for a conservatory entrance exam, the bittersweet film is most notable for what it elides – at