Missing: The Other Side Promotional poster Also known as Missing Hangul 미씽: 그들이 있었다 Genre Fantasy Mystery Thriller Created by Studio Dragon Written by Ban Gi-ri Jeong So-young Directed by Min Yeon-hong Starring Go Soo Heo Joon-ho Country of origin South Korea Original language(s) Korean No. of episodes 12 Production Production company(s) MAYS Entertainment Distributor OCN Release Original network OCN Audio format Dolby Digital Original release August 29, 2020 (2020-08-29) – present (present) External links Website Production website