Bunbury was born inHamilton, Ontarioto a Polish and Swedish American mother, Kristi Novak,and Guyanese-born CanadianAlex Bunbury. Kylie's father was a professional soccer player who won the sixth most caps all time for theCanadian men's soccer team. She has two younger brothers,Tealand Logan. Bunbury originally worked as a model, but then her agency suggested she try acting.She landed her first role as Kathleen inDays of Our Livesfor one episode.She also had roles inPromandThe Sitter.On February 26, 2015, it was announced that Bunbury would portray the role of Eva in the science fiction CBS television seriesUnder the Dome.