"She's Australian and she'll sit there and talk in her regular voice and then, in this film she plays a French woman, and she just turns into a French woman when they say action! (Jean Dujardin) showed up one day to watch a scene and literally, I came over to say hi to him and he said, 'But I do not understand, she is French?' Cate doesn't speak a word of French, but the line she says in French in the movie, he said it's perfect." Cate Blanchett's co-stars Matt Damon and Jean Dujardin couldn't believe how accurate the Aussie star's French accent was in World War Ii movie The Monuments Men.