Organizers of the Cannes Film Festival on Wednesday named French film star Vincent Cassel to emcee the official ceremonies opening and closing this year's formalities. On May 17, Cassel, best known in the U.S. for his role as the rich, criminal mastermind in Ocean's 12, will officially open the festival, presenting the international jury, presided over by Hong Kong director Wong Kar-wai, to the black-tie crowd. Likewise, Cassel will preside over the closing ceremonies, including the announcement of the winners, on May 28.