Willy Wonka & the Chocolate Factory too much emphasis on Willy Wonka and not enough on Charlie", as well as the casting of Gene Wilder instead of Spike Milligan. Dahl was also "infuriated" by the deviations in the plot Seltzer devised in his draft of the screenplay, including the conversion of Slugworth, a minor character in the book, into a spy (so that the film could have a villain) and the "fizzy lifting drinks" scene along with music other than the original Oompa Loompa compositions (including "Pure Imagination" and "The Candy Man"), and the ending dialogue for the movie. In 1996, Dahl's second wife, Felicity, commented
Charlie and the Chocolate Factory (musical) all the hoopla on the red carpet. Finally, the moment of truth arrives. With a choral fanfare, the factory door swings open and all eyes to turn to see the mysterious Willy Wonka, invites the Golden Ticket winners into his factory to see all the wonders ("It Must Be Believed to Be Seen"). Wonka gathers the ticket winners and explains the rules and regulations of the factory ("Strike That! Reverse It!"). With the contracts signed, Wonka then welcomes them into the Chocolate Room. As the children explore, the parents ask Wonka what its purpose is and Wonka bemusedly explains that