Background
Moseley was born in the Cotswolds village of Sheepscombe, Gloucestershire, England. He is the son of Juliette E. (née Fleming) and Peter A. Moseley, a cinematographer.
Moseley was born in the Cotswolds village of Sheepscombe, Gloucestershire, England. He is the son of Juliette E. (née Fleming) and Peter A. Moseley, a cinematographer.
Moseley attended Sheepscombe Primary School from September 1991 to July 1998, and then continued his education at Wycliffe College.
Moseley is the eldest of three children: Daisy Elizabeth (born 1989) and Benjamin Hugh Moseley (born 1992). He had to repeat upper sixth at Downfield Sixth Form, Stroud (which is part of Marling School and its next door neighbour Stroud High School) because he had taken so much time off school while filming The Chronicles of Narnia: The Lion, the Witch and the Wardrobe. Casting director Pippa Hall was responsible for casting William as an extra when she was filling roles for Cider with Rosie (television) back in 1998.
Seven years later, when casting for The Chronicles of Narnia: The Lion, the Witch and the Wardrobe in 2005, she remembered him and recommended him for the role of Peter.
He reprised the role of Peter in the 2008 sequel, The Chronicles of Narnia: Prince Caspian. Moseley made a cameo appearance as Peter in The Chronicles of Narnia: The Voyage of the Dawn Treader despite his character"s absence in the book on which the film is based.
Moseley recently portrayed Aysel in upcoming Brent Ryan Green film The Veil. William is currently starring in The Royals on East! as Prince Liam.
He has joined the Stand Up to Cancer programme "Change the Odds" featuring many other young actors.