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 and films has allowed the "Harry Potter" franchise to expand, with numerous derivative works, a travelling exhibition that premiered in Chicago in 2009, a studio tour in London that opened in 2012, a digital platform on which J.K. Rowling updates the series with new information and insight, and a pentalogy of spin-off films premiering in November 2016 with "Fantastic Beasts and Where to Find Them", among many other developments. Most recently, themed attractions, collectively known as "The Wizarding World of Harry Potter", have been built at several Universal Parks & Resorts amusement parks around the world. The central character in