The Primal Forces of Network
According to the Writers Guild of America the greatest screenplay of all time belongs to Casablanca. A sentimental favourite, no doubt, worthy for a handful of catchy one-liners capped off with a convincing dump-the-dame speech. While Bogie plays himself, Bergman, who may have been the most beautiful woman of all time, didn't have much to say. The best moments in Casablanca were, in fact, the silent ones, and without Bogie and Bergie's chemistry, it probably wouldn't have made the top 10.
Best screenplay suggests best story, best plot, best characters an... read the rest.