Here is a 一覧 of the cast and their characters as of May 2009.
Information from link
Mia Wasikowska ... Alice
Johnny Depp ... The Mad Hatter
Michael Sheen ... The White Rabbit
Anne Hathaway ... The White Queen
Helena Bonham Carter ... The Red Queen
Alan Rickman ... The Caterpillar
Crispin Glover ... The Knave of Hearts
Stephen Fry ... The Cheshire Cat
Christopher Lee ... The Jabberwock
Timothy Spall ... The Bloodhound
Matt Lucas/David Walliams ... Tweedledee / Tweedledum
Noah Taylor ... The March Hare
Annalise Basso ... The May Pole Dancer
Eleanor Tomlinson ... Fiona Chataway
Lindsay Duncan ... Helen Kingsley
Frances de la Tour ... Aunt Imogene
John Hopkins ... Lowell Manchester
Jemma Powell ... Margaret Manchester
Tim Pigott-Smith ... Lord Ascot
Geraldine James ... Lady Ascot
Eleanor Gecks ... Faith Chataway
Leo Bill ... Hamish Ascot
Information from link
Mia Wasikowska ... Alice
Johnny Depp ... The Mad Hatter
Michael Sheen ... The White Rabbit
Anne Hathaway ... The White Queen
Helena Bonham Carter ... The Red Queen
Alan Rickman ... The Caterpillar
Crispin Glover ... The Knave of Hearts
Stephen Fry ... The Cheshire Cat
Christopher Lee ... The Jabberwock
Timothy Spall ... The Bloodhound
Matt Lucas/David Walliams ... Tweedledee / Tweedledum
Noah Taylor ... The March Hare
Annalise Basso ... The May Pole Dancer
Eleanor Tomlinson ... Fiona Chataway
Lindsay Duncan ... Helen Kingsley
Frances de la Tour ... Aunt Imogene
John Hopkins ... Lowell Manchester
Jemma Powell ... Margaret Manchester
Tim Pigott-Smith ... Lord Ascot
Geraldine James ... Lady Ascot
Eleanor Gecks ... Faith Chataway
Leo Bill ... Hamish Ascot