A German comedy has emerged as the favorite to win Cannes' Palme d'Or, with critics also lauding a U.S. indie movie featuring "Star Wars" villain Adam Driver and a stirring U.S. drama on an interracial couple's battle for equal rights. "Toni Erdmann" is that rarest of movies – a three-hour-long German comedy with international appeal.

Critics raved about lead actor Adam Driver, best known to global audiences as Kylo Ren from the latest "Star Wars" movie, and his quiet soulful performance.

Some of the films feel like they come from different universes, not only different nationalities," Miller then said.

He said he was looking for a movie that haunts his thoughts for days.

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