影片讲述的是美国前总统约翰·肯尼迪在1963年11月22日遇刺身亡的前四天时间里，发生在前第一夫人杰奎琳·肯尼迪身上的故事。娜塔莉·波特曼将出演杰奎琳，也就是Jackie。据该片的全球联合出品方和制片方熙颐影业透露，对于主创团队选择娜塔莉·波特曼出演杰奎琳·肯尼迪，业界并不感到惊讶。除了她精湛的演技之外，更是在于她独特的知性气质。
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