Lee Yo-wonΒ (born April 9, 1980) is aΒ South KoreanΒ actress. She is best known for her portrayal ofΒ Queen SeondeokΒ in theeponymous hit period dramaΒ (2009), as well as for her work inΒ Take Care of My CatΒ (2001),Β Fashion 70'sΒ (2005),Β Surgeon Bong Dal-heeΒ (2007), andΒ 49 DaysΒ (2011).