Harry - Liam Aiken (Such a little cutie, and a much better actor than Daniel Radcliffe)
Lavender Brown - Hannah Taylor-Gordon
Cho Chang - Kwon Boa (not listed in imdb.com, but a Korean singer who is one of many to be rumored to be cast as Cho)
Dennis Creevey - Thomas Sangster (there's a lot of talk about him being cast as Dennis, and a petition out there for fans who want to see him win this role)
Fleur Delacour - Ludivine Savier (The up-and-coming French actress who played Tinker Bell in the 2003 version of Peter Pan)
Cedric Diggory - Heath Ledger What can I say? He's hot. He's cute. He's a good actor.
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Padma & Parvati Patil - Ashley and Mary-Kate Olsen (Okay, this seems like a sell-out, but i just thought to myself "who could play the shallow twin teenage girls?" and the answer was obvious...
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Percy Weasley - Christopher Masterson (actually, for the longest time i thought Christopher Masterson did play Percy... when i realized he didn't, I always felt like he should have.)
Gabrielle Delacour - Dakota Fanning (wouldn't she make a good little part-veela?
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Dumbledore - Ian McKellan... only because I thought for a long time that he was Dumbledore, and he just seems to fit... not even gonna bother with the link for this one.
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Moody - Michael Wincott (Just do some weird makeup effects to take part of his nose away and you have yourself a perfectly good Moody)
Sirius - Scott Cohen (I've had a thing for this scruffy cutie ever since The 10th Kingdom!)
Mundungus Fletcher - Rik Mayall (Look at this guy... Watch him for ten seconds. He IS Mundungus!)
Lupin - Ralph Fiennes (Wow... what a hottie. What an actor. Capable of playing the old-looking-though-young, sensitive Defense Against the Dark Arts teacher we all love... and talk about s*x appeal!
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Susan Bones - Mara Wilson (just cuz I was wondering where this kid disappeared off to)
Luna Lovegood - Rachel Hurd-Wood (This talented young British actress has the dreamy look that I imagine Luna having... and I liked her as Wendy in Peter Pan)
Fred and George Weasley - anybody but the kids they got to play them