Han Hyo-joo ( born February 22 , 1987 ) is a South Korean film and television actress . She is best known for her leading roles in television drama series : '' Spring Waltz '' ( 2006 ) ; '' Brilliant Legacy '' ( 2009 ) ; '' Dong Yi '' ( 2010 ) and '' W '' ( 2016 ) ; as well as the film '' Cold Eyes '' ( 2013 ) , for which she won Best Actress at the 34th Blue Dragon Film Awards , and romance film '' The Beauty Inside '' ( 2015 )
34th Blue Dragon Film Awards
34th Blue Dragon Film Awards
Han Hyo-joo