Filming finished October 10, in Iksan, Jeollabuk-do, South Korea. The last scene filmed took place at a prison in Iksan, Jeollabuk-do. The scene involved Yong-Goo (Ryoo Seung-Ryong) and the other prisoners carrying out a mission to get a chance for a temporary release.
Filming began June 20, 2012 in Daejeon, South Korea. The first scene filmed involved Yong-Goo (Ryoo Seung-Ryong) who meets his cell mates in cell block 7 for the first time.
Remade as the Turkish film "Miracle in Cell No. 7" ("Yedinci Kogustaki Mucize") (2019).