Daughter of husband and wife location team Bill Darby and Teresa Darby. Made her first appearance at just three years old in Miramax's Mansfield Park (1999) and subsequently in Granda Film's Longitude (2000) with Michael Gambon. Landed her first speaking parts as Sarah, the daughter of the troubled British actor / comedian Peter Sellers, in HBO's The Life and Death of Peter Sellers (2004) with Geoffrey Rush and also as the Little Girl in Sonja Phillip's whimsical Los Angeles Short Film Festival winning The Knickerman (2004) opposite Jamie Sives. She subsequently worked on another two handed short - "The Mockingbird" - for Joe Tumner, and has since been seen in HBO / BBC's Rome (2005), in "Living It" and also as Florence Dombey in Radio 4's "Dombey & Son (2007).