Ella Purnell was born in London, U.K. She is best known for her roles in Tim Burton's Miss Peregrine's Home For Peculiar Children (2016), in BBC One's Ordeal By Innocence (2017) and Starz' Sweetbitter (2017), in which she plays the series lead role of Tess in the adaptation of Stephanie Danler's hit novel of the same name.