《西部往事》是由赛尔乔·莱翁内执导，亨利·方达,查尔斯·布朗森,克劳迪娅·卡汀娜,杰森·罗巴兹主演的剧情片。该电影于1968年在意大利上映。意大利西部片宗师瑟吉欧·莱昂的传世经典之作，继与克林伊斯威特合作「镖客三系列」之后，瑟吉欧·莱昂这部近三个小时的长篇钜作，被称之为影史上最伟大的西部片。 故事叙述一名神秘客（查理士布朗逊）来到小镇上，被卷入一名寡妇（克劳蒂雅卡迪奈尔）与铁路大亨的土地抢夺战，此片最有趣的角色，是由一向形象正义的亨利方达，难得在此片中扮演一名冷面的残酷杀手，从头到尾几乎没有表情，只有嘴角偶尔小有动作，让人不寒而栗... 当年影片在美国上映时，曾因为片长过长而被片商修剪，导致故事架构含混不清，语焉不详。
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