Stephen Thorne is a renowned radio actor and audiobook narrator. His credits include Aslan in Brian Sibley's radio versions of C.S. Lewis' The Chronicles of Narnia and several characters in Doctor Who.
- 1981: The Lord of the Rings (radio series) - Treebeard
- 1992: Tales from the Perilous Realm (radio series)
- "Farmer Giles of Ham" - Chrysophylax