Deranged (Korean: 연가시; Hanja: 鐵線蟲; RR: Yeongasi) is a 2012 South Korean science fiction thriller film starring Kim Myung-min, Kim Dong-wan, Moon Jung-hee and Lee Ha-nui. It is Korea's first medical thriller on an infectious disease epidemic (another related film, Flu, was released the next year in 2013). The film was directed by Park Jung-woo and produced by Lim Ji-young and Oz One Film. Distributed by CJ E&M, the film was released on July 5, 2012 and runs at 109 minutes.