Harry Potter and Nielsen should have created a separate game-show list when "Who Wants to Be a Millionaire?" dominated the ratings. In 1998, Rowling sold the film rights of the first four "Harry Potter" books to Warner Bros. for a reported £1 million ($1,982,900). Rowling demanded the principal cast be kept strictly British, nonetheless allowing for the inclusion of Irish actors such as the late Richard Harris as Dumbledore, and for casting of French and Eastern European actors in "Harry Potter and the Goblet of Fire" where characters from the book are specified as such. After many directors including Steven Spielberg, Terry
Harry Potter of which have been highly successful in their own right. The films have in turn spawned eight video games and have led to the licensing of more than 400 additional "Harry Potter" products. The "Harry Potter" brand has been estimated to be worth as much as $25 billion. The great demand for Harry Potter books motivated "The New York Times" to create a separate best-seller list for children's literature in 2000, just before the release of "Harry Potter and the Goblet of Fire". By 24 June 2000, Rowling's novels had been on the list for 79 straight weeks; the first