Mr. Back (Hangul: 미스터 백; RR: Miseuteo Baek) is a South Korean television series starring Shin Ha-kyun, Jang Na-ra, Lee Joon, Park Ye-jin and Jung Suk-won. It aired on MBC from November 5 to December 25, 2014 for 16 episodes.Mr. Back is based on the novel Old Man (Hangul: 올드맨), which was serialized on Kakao Page (a content service platform of mobile messenger KakaoTalk) for six months from April to October 2014.