Have you seen this? You've probably seen it, but just in case...

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It's a small part from how they made the 5th Harry Potter movie, and is an interview with some of the main actors/actresses. I think you've already seen it, but in case some of you didn't get a chance to see it, here it is: http://video.google.com/videoplay?docid=-7105707010768650236&sourceid=docidfeed&hl=en