Kim Joo-hyuk (born October 3, 1972) is a South Korean actor.
His father is veteran actor Kim Mu-saeng. They have both played real-life court physician Heo Jun.
Kim began dating actress Kim Ji-soo in 2003; they played husband and wife in the 2002 TV series Like a Flowing River. Their six-year relationship ended in 2009.
Kim also dated God of War costar Kim Gyu-ri from 2012 to 2013.
People were surprised when Kim Joo-hyuk was announced as one of the new members of the show 2 Days & 1 Night Season 3 as he is known for being a very reserved person. For 2 years, the actor was able to showcase his other side that most people didn't know existed in him. But recently, much to the dismay of the viewers; it was announced that he had decided to leave the show to focus on the movies that he agreed to star in.