, real name Marion Morrison, made 170 movies during his incredible Hollywood career from the 1920s silent era to the mid-1970s. Duke dominated the Golden Age of cinema as a box office king for three decades. He quickly became an American icon, best known for his Westerns. Yet, which are the very best John Wayne movies? Film fan database IMDb has rated the Top 10, but you may be surprised that neither The Searchers, True Grit or Rio Bravo made it to No 1.