Who plays Artemis Fowl in the 2007 movie Artemis Fowl?

Artemis Fowl has yet to be cast or put into production as of 2008. The screen play was written, but due to complications things came to a stand still at the pre-production phase. The screenplay was written by Jim Sheridan, Simon Carmody, Jeff Stockwell, Chris Viscardi, Will McRobb, and Tim Minear. It will be produced by Robert De Niro and Jane Rosenthal. The release date is still to be announced. Beyond that there is not much information to go on.