Mr. Back (Korean: 미스터 백; RR: Miseuteo Baek) is a South Korean television series based on the novel Old Man (Korean: 올드맨), which was serialized on KakaoPage from April to October 2014. It starred Shin Ha-kyun, Jang Na-ra and Lee Joon. The series aired on MBC from November 5 to December 25, 2014, for 16 episodes.