The great thing about the "Chatty Duel" in the Princess Bride is how simple the blade work actually is. Besides the acrobatics and tossing of swords the fencing is relatively simple and well executed. That scene has generated more interest in fencing than any of our recent Olympic achievements can hope to. Nearly every student I've taught has been influenced to seek out the sport in part by that film and after 6 months or so I will tell them to re-watch it and see all the actions they just learned. As was said above, he was able to create such elegant choreography and able to teach the actors to perform it with such skill he was able to create so many of the great and memorable film duels.

all the '5, Insightful' comments the Introverts out there are thinking of right now...