Song Ha Yoon is the stage name of Kim Mi Sun, a South Korean actress. Born on December 2, 1986, she began her career under the stage name Kim Byul but changed it to Song Ha Yoon in 2012. She made her acting debut in the 2003 television drama “Sang Doo! Let’s Go to School.” She has since appeared in many popular films and television dramas, including “Sweden Laundry” (2014), “My Daughter, Geum Sa Wol” (2015), “Sister Is Alive” (2017) and “Fight My Way” (2017).