News of some cast members has just been released.
Timothy Dalton - super-spy Bond in Licence To Kill and Living Daylights - will play wicked Lord Asriel.
Actress Patricia Hodge, who's been in lots of TV and stage shows over many years, will take the role of Mrs
Coulter who uses her beauty to get exactly what she wants.
The play of the award-winning trilogy will be split into two parts, and opens at London's National Theatre Olivier on 20 December 2003.