Rowling, along with Potter movies cast members Daniel Radcliffe (Harry Potter) and Rupert Grint (Ronald Weasley), came out for the grand opening last night.

FORBES: Harry Potter Wizarding World Opens. Ka-Ching.

"Harry Potter and the Deathly Hallows: Part 2" took the best cast trophy.

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LONDON, England (Reuters) -- The creator of Harry Potter, the world's most popular boy wizard, is set to cast a spell over "The Simpsons, " her spokeswoman said Wednesday.

CNN: Rowling

His several Harry Potter films demonstrate he can tackle a huge franchise with a global fanbase, a big ensemble cast, lots of complex subplots, spectacular action set pieces, and balance the family-friendly appeal with serious dramatic elements.

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There is a behind the scenes section, much missed from the first Potter DVD, which includes cast interviews, featuring an interview with the late Richard Harris, and there is an interview with Harry Potter author J K Rowing.

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