- 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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The Mad Hatter: 'Twas brillig, and the slithy toves Did gyre and gimble in the wabe: All mimsy were the borogoves, And the mome raths outgrabe.
Alice Kingsley: Sorry, what was that?
The Mad Hatter: What was what?
[continues walking]
The Mad Hatter: The Jabberwock, with eyes aflame, Jaws that bait and claws that catch, Beware the Jabberwock, my son, The frumious Bandersnatch He took his vorpal sword in hand The vorpal blade went snicker-snack He left it dead, and with its head He went galumphing back. Its all about you, you know
Alice Kingsley: I'm not slaying anything. I don't slay, so put it out of your mind
The Mad Hatter: ...Mind?
[Hatter stops, puts Alice down on a log, and continues walking]
Alice Kingsley: Wait! You Cant leave me here!
The Mad Hatter: You don't slay? Do you have any idea what the Red Queen has done? You don't slay.
Alice Kingsley: I couldn't if i wanted to.
The Mad Hatter: You're not the same as you were before You were much more..."muchier" You've lost your "muchness"
Alice Kingsley: My "muchness"?
The Mad Hatter: [Points to Alice's heart] In there.
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The Red Queen: She's slain my Jabber-baby-wocky?