Kim Won-suk, born 1979, is a South Korean model and actor. He is a graduate of Kookmin University's Department of Theater and Film, worked as a model for major corporate advertisements such as SK Telecom, Choheung Bank, Seoul Milk, and Hanwha Securities. He made his drama debut as a fellow doctor of the main character, Jang Joon-won, in the MBC weekend drama "I Really Really Like You". He is best known for portraying as Song Ju, King Geumwa's bodyguard, in MBC drama "Jumong".