In the later stages of his directorial career, Orson Welles began work on several ambitious films.在其导演生涯的后半阶段,奥森·韦尔斯开始执导起了几部恢宏巨制。Orson Welles managed to convince many Americans that they were being invaded by Martians.奥森·韦尔斯使得许多美国人相信他们正遭到火星人的入侵。The movie starred Orson Welles as Harry Lime.这部影片由奥森·韦尔斯饰演哈里·莱姆。Orson Welles is a prime example of the movie director as artist.奥逊·威尔斯是典型的电影导演艺术大师。