Perhaps most well known for her KBS Drama Award-nominated title role in the South Korean television series Sassy Girl Chun-hyang, Han is also notable for her portrayal of Choi Ha-na in the SBS series My Girl. Her film credits include roles in Girlfriends (as Jin) and Wild Card (as Kang Na-na).
She made her screen acting debut in the Korean horror film Record (2000). Around this time, she earned a degree in theatre and film from Dongguk University.
She received a Cosmopolitan Beauty Award for "Most Stylish Actress of 2011."
Born Kim Ji-young, she spent her earliest days in South Korea but grew up primarily in Chicago, Illinois. She married business executive Choi Dong-joon in 2007. They welcomed a son in late 2013.
She co-starred with Lee Chun-hee in the 2005 television series Only You.