Steven Spielberg already dramatized the horrors of World War Two in 'Saving Private Ryan' and 'Schindler's List,' but when he chose to bring 'War Horse' to the screen, he became one of a select few filmmakers to tackle the first "Great War." Now that the men of 'Downton Abbey' are preparing to march off to enter World War I (the much-awaited second season debuts this Sunday on PBS), we salute actors like Gary Cooper and directors like Howard Hawks who told the story of what was once thought to be the "war to end all wars."
Gallery | Best World War One Movies
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