Huntley was born in Wiston, West Sussex, the son of Karen and Graham Huntley. He grew up as one of eight on a Sussex farm. He was educated at Windlesham House School in Pulborough, Sussex, at Leighton Park School in Berkshire, and at Our Lady of Sion School in Worthing. His twin sister, Echo died of epilepsy-related complications in 2010. Huntley lives between London and Los Angeles and he is a vegetarian.