Dramatic events spark 12 year old Will's escape into the parallel world of Cittagazze where he meets 11 year old Lyra.

Together they acquire the most powerful weapon in all the Universes - The Subtle Knife.

Phillip Pullman's award-winning trilogy is a breath-taking epic adventure spanning a multitude of worlds.

Stars Lulu Popplewell as Lyra, Ray Fearon as Balthamos, Daniel Anthony as Will, Emma Fielding as Mrs Coulter, John Carlisle as Sir Charles, Brid Brennan as Dr Malone, Richard Johnson as Paradisi, Stuart Fox as Walters and Joanna Monro as Mrs Parry.

Marlene Sidaway as Mrs Cooper, Peter Marinker as Lee Scorseby, Carla Simpson as Hester, Jack Klaff as Stanislaus Grumman, Tracy-Ann Oberman as Serafina Pekkala, Simon Donaldson as Kaisa, Joanna Kanska as Ruta Skadi and Richard Firth as Pantalaimon.

David Holt as Ozymandias, Martin Hyder as Thorold, Laura Doddington as Lena, Emma Woolliams as Juta, Scott Brooksbank as Tullio, Ewan Bailey as The Cardinal, Gregg Prentice as Paolo, Victoria O'Donnell as Angelica and Oliver Cookson as the Boy.

Dramatised by Lavinia Murray.

Music composed and realised by Billy Cowie.

Director: David Hunter

First broadcast on BBC Radio 4 in 2003. Show less