With more than 100 million copies sold in 46 languages, Harry Potter has become a publishing phenomenon. Such background presaged the adaptation to the big screen of the adventures of this magician apprentice who, after becoming an orphan, leads a cinderella life in the house of his uncles Vernon and Petunia. When he turned eleven, he knows that his parents were killed by the wizard Lord Voldemort and that he survived the attack miraculously. Harry is invited to travel to Hogwarts boarding school, on the train that departs from platform 9 ¾, at King's Cross station in London.
At school, where he befriends Hermione Granger and Ron Weasley, he discovers his great skills; but he also has to overcome adventures that will endanger his life. The beginning of the filming of the first installment, Harry Potter And The Philosopher's Stone, was announced coinciding with the publication of the fourth volume. To arouse more and more interest as the premiere date approached, Warner Bros. followed the proven strategy of throwing information bites from a shoot wrapped in mystery. On the Internet you could follow first news, then photos and, a few weeks before the premiere, the first trailer.
Preparations for the film date back to 1997, when David Heyman, who had just returned from Hollywood to London to found his own production company, secured the rights after promising the author, J. K. Rowling, that her film would remain true to the novel.
After signing the contract with Warner, he selected Chris Columbus as director, because —it was officially said— in Solo at home and in Mrs. Doubtfire he had shown that he knew how to work with child actors; in his favor, he also had that he had sworn allegiance to the lyrics of Harry Potter. While Rowling did not care that both the director and the production studio were American, to work in front of the camera she demanded British authors without exception; In short, the magical world of Harry Potter is genuinely English and a Harry Potter with an American accent was unimaginable. Well known child actors such as Haley Joel Osment or Jake Lloyd were out of play; all England beat in search of the ideal Harry Potter
In August 2000, the President of Warner announced that Daniel Radcliffe had been selected for the role of Harry Potter, as well as Rupert Grint and Emma Watson for those of Ron and Hermione. Despite the statements of Heyman, with his face as a good boy, Daniel Radcliffe does not just make it credible that the Harry Potter of the film has a mature soul, just as Emma Watson is too cute for the Hermione of the novel. Rupert Grint demonstrates the best mastery of mimicry.
As for adult actors, a cast of practically insurmountable British actors has gathered: Richard Harris in the role of director Albus Dumbledore and Maggie Smith in that of Minerva McGonagall. To recreate the ambiguous character of the magic potions teacher Severus Snape, none better than Alan Rickman. And the same can be said of John Cleese for Nick's Almost Decapitated.