Charlie and the Chocolate Factory (film) factory, who then leads them into the facility. Individual character flaws cause four children to give into temptation and the Oompa-Loompas (Deep Roy) sing a song of morality after each elimination. During the tour, flashbacks reveal Wonka's troubled past; his father, a prominent dentist named Wilbur (Christopher Lee), strictly forbade Wonka from consuming candy due to the potential risk to his teeth. After sneaking over a piece of candy, Wonka was instantly hooked, and ran away to follow his dreams. When he returned, both his father and their house were gone. After the tour, the four children leave the factory
Charlie and the Chocolate Factory (film) to help Wonka confront and reconcile with his estranged father; Wonka finally realizes the value of family, while his father learns to accept his son for who he is, and not what he does. In the end, Wonka finally allows Charlie's family to move into the factory. Author Roald Dahl disapproved of the 1971 film adaptation and declined the film rights to produce the sequel, "Charlie and the Great Glass Elevator". Warner Bros. and Brillstein-Grey Entertainment entered discussions with the Dahl estate in 1991, hoping to purchase the rights to produce another film version of "Charlie and the Chocolate Factory".