For 12 days this week, the eyes of the movie world will be on the Cannes Film Festival. The Cote d’Azur spectacular will play host — starting on Tuesday — to some of the most anticipated movies of the year in a constant parade of red carpets and megawatt premieres. This year, Hollywood studios are mostly on the sidelines . But for more than 78 years, Cannes has been an unparalleled showcase, and sun-dappled circus, for some of the best in cinema. Last year that included Oscar nominees like “