Yoon Bak (born November 18, 1987) is a South Korean actor. Yoon began his entertainment career as a drummer for the band Can't Play Well , which won the Bronze Prize at the 34th MBC Campus Song Festival in 2010. When his contract with agency S.M. Entertainment expired, he joined JYP Entertainment in 2013. Yoon had starring roles in the television dramas What Happens to My Family? (2014) and Queen's Flower (2015).