His nationality is American and ethnicity is mixed(Scottish, English, Welsh).He was born as William Peter Moseley to Peter Moseley(father) and Juliette Fleming(mother).Anna Katherine Popplewell (born 16 December 1988) is an English film, television and theatre actress.She is known for her role as Susan Pevensie in The Chronicles of Narnia film series since 2005, as Chyler Silva in Halo 4: Forward Unto Dawn since 2012 and Lady Lola in Reign from 2013–2016.He repeated the part of Peter in the 2008 spin-off, The Chronicles of Narnia: Prince Caspian.He showed up as Peter in The Chronicles of Narnia: The Voyage of the Dawn Treader notwithstanding his character’s nonattendance in the book on which the film is based.Popplewell, oldest of three children, is the daughter of the High Court judge Andrew Popplewell and Dr.Debra Lomas, a dermatologist who studied at Newnham College Cambridge. Her siblings are actress Lulu Popplewell, who starred as Daisy in Love Actually, and Freddie Popplewell, who starred as Michael Darling in the film Peter Pan.
From the principal day of trying out for the part of Peter Pevensie in The Chronicles of Narnia: The Lion, the Witch, and the Wardrobe it took a further eighteen months before he authoritatively won the part and was thrown.
He required some serious energy off regularly at Downfield Sixth Form, Stroud (which is a piece of Marling School and its adjacent neighbor Stroud High School) since he was shooting The Chronicles of Narnia: The Lion, the Witch, and the Wardrobe, however still accomplished well and completed on time.
In 1998, he was just aged 11 years old and during that year he appeared as an extra in the Cider with Rosie (TV).
She began acting professionally in the TV production Frenchman's Creek in 1998.
She made her film debut in 1999 in the film Mansfield Park and has since appeared in supporting roles in films like The Little Vampire (2000) and Girl with a Pearl Earring (2003) with Scarlett Johansson.