Trivia: In the beginning of the movie, when the candy store owner is singing the candy man song, there's a spot towards the end of the song where he lifts up his counter to let all the kids in. Watch the little blonde girl as she gets walloped in the chin by the counter. (00:04:30)
Trivia: Peter Ostrum won the role for Charlie while acting at the Cleveland Playhouse children's theater in 6th grade. He had no acting experience after that, and is now a veterinarian.
Trivia: The novel's writer, Roald Dahl, hated this movie version of his story.
Trivia: Only the ears on the jelly bears that Violet was eating, was edible.
Trivia: While on the Wonkatania, the Oompa-Loompa thought he was really steering. The truth is the boat was actually moving on a hidden track. Director Mel Stuart didn't tell the actor this because he didn't want to ruin the illusion.
Trivia: When Augustus gets caught in the tube, Wonka says "The suspense is terrible, I hope it will last." This is a quotation by Irish writer Oscar Wilde.
Trivia: Oompa Loompas were originally written, by Dahl, as caricatures of African Pygmees. the producers felt that this was offensive, this is why they are orange.
Trivia: Michael Bollner, who played Augustus Gloop, lived in Munich, where the filming took place. He used to change at his home in the morning, then turn up for filming. He also couldn't speak English and had to be coached on his lines, which made it hard for him to bond with the other kids in the cast.
Trivia: Julie Dawn Cole, who plays Veruca, doesn't even like chocolate.
Trivia: Augustus' father is stated to be the town's most prominent "parve butcher." "Parve" means "lacking meat and milk", therefore there is no such thing as a "parve butcher."
Trivia: The Wonka factory was inspired by the notoriously secretive Mars Corporation, nicknamed the "Kremlin of candy".
Trivia: In the scene when Wonka shows the kids the 'Lickable Wallpaper,' he says, "And the Snozzberries taste like Snozzberries!" This is odd, because in another Roald Dahl book, he refers to 'Snozzberries' as male genitals.