Yoon Joo Sang is a South Korean actor. He was born in Yangpyeong County, Gyeonggi Province, South Korea, on June 25, 1949, and made his acting debut in 1987. Since then, he has appeared in numerous films and television dramas, including “Iris” (2009), a role which won him the award for “Best Supporting Actor” at the 2009 KBS Drama Awards, “I Do I Do” (2012), “I Hear Your Voice” (2013), “Radio Romance” (2018), and “365: Repeat the Year” (2020).