Aspect ratio: 16x9 letterbox. Originally released as a motion picture in 2012. Board of Film Censors, Singapore: NC16 (Some violence & coarse language). Director of photography, Kim, Ki-Tae ; editor, Nam Na-Yong ; music, Kim, Woo-Keun. Jung, Jae-young, Pak Si-hu. In Korean with optional Chinese and English subtitles.