Isabelle Allen was born on 16th March 2002, in Salisbury England, and now lives with her family in a village in East Sussex. She is best known for her role as Young Cosette is the 2012 movie "Les Miserables", and more recently, among others, her roles as Elizabeth in BBC's series "Hetty Feather"((2015-2017) and as "Carrie" in the Netflix series "Safe" (2018).