Cannes is nothing if not traditional, and this year returned to its newest, grimmest annual tradition: the statement of solidarity with the Ukrainian cause. A short film was shown about the outrage of kidnapping and “Russifying” Ukrainian children from captured territories. As so often, the festival featured its big names, its silverback gorillas and its favoured blue-chip directors, although it annoyed many who couldn’t be included in the club itself: the main competition list. But it wasn’t such a great festival for the Depp family. Johnny was roundly mocked for his torpid, waxy portrayal of Louis XV in Maïwenn’s Jeanne...