The eldest of the Pevensie kids is Peter, who leaves London a child yet becomes a brave, grown-up leader fighting for the forces of good while in Narnia. To bring Peter to life, Pippa Hall always had in mind 18-yearold William Moseley, who makes his feature film debut. Hall first saw Moseley seven years ago and had never forgotten him. "Williams is a fairy-tale story," Hall elaborates. "I met William when he was 11, when I was casting another film in Gloustershire, near where he lives. He was too old for that part, but I still thought he was extraordinary, that he had something special. I thought of William as Peter as soon as I read the script."
Being about the same age as his character, Moseley immediately related to Peters transformation in the course of his adventures in Narnia. "To put it simply, when Peter steps through the wardrobe, he is a boy. When Peter steps back out of the wardrobe, as the story finishes, he is a man," the teenager says. "And, for me, I think I also became a man throughout the making of this film. Like Peter, I am the oldest in my family. Like Peter, I strive a lot of the time for what is right, what is just. I think that is the reason each of the kids was cast for these parts - we are so like the characters we play."
"What really impressed me about William is that he grew into a young man as we were making the film," Adamson chimes in. "So, I basically saw William grow from this 15-year-old boy to this young man, this real warrior, just as Peter Pevensie does in Narnia."