Tilda Swinton, as well as reprising her role as The White Witch, also makes a short cameo as a centaur.
During the storming of Miraz's castle, Reepicheep's mice find the royal cat asleep. They tie him up in the same way that Aslan was tied in The Chronicles of Narnia: The Lion, the Witch and the Wardrobe (2005). The mice gnawed through Aslan's ropes in that story, and Aslan granted their species the power of speech to honor their devotion on that day.
According to Skandar Keynes (Edmund Pevensie), for one shot, where he had to slide off a roof, he had a $500,000 camera strapped to his legs, as they could not get any stuntmen the same size as Skandar to shoot the shot.
Anna Popplewell was disappointed that Susan did not get to use her bow much in the first film; when she mentioned this to the director Andrew Adamson, this film's script was altered to add more scenes with her using it.
All 'Old Narnians' were made to look wilder than they had originally in the first movie because they had been hiding from persecution.
Douglas Gresham: C.S. Lewis' stepson and heir is the castle crier who proclaims the birth of Miraz's son.