NOTE: Sadly, Richard Harris, Richard Griffith, and Alan Rickman are no longer with us. Because of that, they (and their characters) are not on this list, though they remain in our hearts forever.
Daniel Radcliffe (Harry Potter)

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Jamie Mccarthy / Getty Images
Maggie Smith (Minerva McGonagall)

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Ian Gavan / Getty Images
Alfred Enoch (Dean Thomas)

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Devon Murray (Seamus Finnigan)

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https://twitter.com/DevonMMurray/status/566188335245586432
Tom Felton (Draco Malfoy)

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Rupert Grint (Ron Weasley)

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Robbie Coltrane (Hagrid)

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Gustavo Caballero / Getty Images
Fiona Shaw (Petunia Dursley)

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Ilya S. Savenok / Getty Images
Harry Melling (Dudley Dursley)

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Anthony Harvey / Getty Images
Bonnie Wright (Ginny Weasley)

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Bryan Bedder / Getty Images
Julie Walters (Molly Weasley)

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Ian Gavan / Getty Images
James Phelps (Fred Weasley)

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Matt Winkelmeyer / Getty Images
Oliver Phelps (George Weasley)

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Emma Watson (Hermione Granger)

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Dimitrios Kambouris / Getty Images
Matthew Lewis (Neville Longbottom)

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Leon Neal / AFP / Getty Images
~ Stupendous, every one of them. ~
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