Skye Deva St. John Bennett was born on the 2nd of May 1995 in London, England to American parents. She is a dual British-American citizen.

Skye began her professional career at ten years old when she won her first film role playing Steven Seagal's daughter in 'Shadowman'. This led to further film and television roles, including playing Mina in the film adaptation of David Almond's Carnegie Medal and Whitbread Children's Award-winning book, 'Skellig' and as the mysterious, tarot card reading little girl in series two of 'Torchwood'. She also appeared as young Martha in the TV adaptation of Ken Follett's historical novel, 'The Pillars of the Earth'.