YOON JEONG-HYUKbr Rising stars captivate the audience in various works! Showbiz Korea's NEWCOMERS is a segment where rookie stars are given a chance to show off their versatile qualities and talent. Let's meet today's rookie star~br 윤정혁 looks like he is full of rough and tough, manly qualities but when you get to know him, you can tell that he's detailed, warm and considerate.