Mia Wasikowska can't wait for audiences to see Johnny Depp in 'Alice in Wonderland'.

The Australian actress - who plays Alice in Tim Burton's interpretation of Lewis Carroll's classic children's tale - admits she can't wait for people to see the US star as The Mad Hatter.

She revealed: "He's pretty crazy! Johnny Depp plays him so well, and so fully, and he just gives it so much. I really can't wait for people to see it - to see him!"

Asked what the Hollywood heartthrob was like to work with, the actress, 20, added: "He was great. He's a lovely person - and he instantly makes you feel very comfortable. He's also a very generous actor.

"And you totally believe him as The Mad Hatter - the role is tailor made for him!"

The film, which also stars Anne Hathaway as the White Queen and Helena Bonham-Carter as The Red Queen, takes place a couple of years after the events in the original novel - and Mia admits it's quite a departure from the original animated film of the novel, made in 1951.

She explained: "It's taking these characters and these experiences that we've grown up with, and that we know and love, and seeing where they are a couple of years down the track."

'Alice in Wonderland' is in cinemas worldwide from early March.