- The main filming of the film was completed in December 2008, which took only 40 days, and then entered the post-production stage, combining CG animation with real action, and then converting it into a 3D picture.
- On August 6th and 7th, 2008, 250 people participated in the audition for extras in Plymouth, England. The conditions were that they had a Victorian appearance and had no visible tattoos or dyed hair.
- "Alice in Wonderland" is produced using the new IMAX DMR technology and will be released in IMAX3D, normal 3D, and normal 2D versions. This is also the second movie released with this level of specification after "Avatar".
- The film is the seventh time Tim Burton collaborated with Johnny Depp, and the fourth time with Helena Bonham Carter.
- The author Lewis Carroll is actually Charles Lutterwich Dodgson's pseudonym. He is a mathematics lecturer at Christ Church College, Oxford University.
- Actor Johnny Depp has to do a lot of adequate preparations before playing each role, and playing "Mad Hat" is no exception. Depp began designing the "Mad Hatter" look a long time before the filming started. Later, he found that his vision was very consistent with director Tim Bolton's.
- There are only a few fairyland scenes in the film that are real. Only three versions of the prototype hall (the bottom of the rabbit hole where Alice fell) and the "Red Queen" dungeon are set up, and the others are made with special effects.
- The eyes of "Mad Hatter" in the film are 10% to 15% larger than those of Johnny Depp. The creative team used a 4,000-line resolution 4K hi-def camera to shoot the "Red Queen" played by Helena Bonham Carter, ensuring that her head was doubled and her body remained intact without any changes.
Alice in Wonderland behind the scenes gags
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Alice Kingsley: I'm sorry, Hamish. I can't marry you. You're not the right man for me. And there's that trouble with your digestion.
[Alice walks over to her sister]
Alice Kingsley: I love you, Margaret, but this is my life. I'll decide what to do with it.
[Alice turns to Lowell, meeting his sour look with a stern glare]
Alice Kingsley: You're lucky to have my sister for your wife, Lowell, and be good to her. I'll be watching very closely.
[Alice goes up to Aunt Imogene and takes her hands]
Alice Kingsley: There is no prince, Aunt Imogene. You need to talk to someone about these delusions.
[Alice walks past Lady Ascot, looking sternly at her]
Alice Kingsley: I happen to love rabbits, especially white ones.
[Alice goes up to her mother]
Alice Kingsley: Don't worry, Mother. I'll find something useful to do with my life.
[Alice turns to the Chattaway sisters]
Alice Kingsley: You two remind me of some funny boys I met in a dream.
Lord Ascot: You've left me out.
Alice Kingsley: No, I haven't, sir. You and I have business to discuss.
Lord Ascot: Shall we speak in the study?
[Alice smiles and starts to head to the house, when suddenly she turns back to the crowd]
Alice Kingsley: Oh. And one more thing.
[Alice lifts the hem of her dress to her knees and does the Futterwacken]
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[first lines]
Lord Ascot: Charles, you have lost your senses? This picture is impossible.
Charles Kingsleigh: Precisely. Gentlemen, the only way to achieve the impossible, is to believe it's possible.