Through the Darkness A team of tenacious detectives study the minds of murderers at a time when Korea's first serial murders terrorized the nation. Based on true events. Details Casts Galleries Posters Season Lists Title Through the Darkness Genres Crime Drama Mystery First Air Date 2022-01-14 Last Air Date 2022-03-12 Episode Runtime 01 Hours 07 Minutes Total Season(s) 1 Total Episode(s) on All Seasons 12 Runtime 67 Production Companies Studio S Kim Nam-gil... Song Ha-young... Kim So-jin... Yoon Tae-goo... Jin Sun-kyu... Kook Young-soo... Ryeoun... Jung Woo-joo... Lee Dae-yeon... Baek Jun-shik... Jeong Sun-won... Nam Il-young... Kim Won-hae... Heo Gil-pyo... Hong Woo-jin... Oh In-tak... Jo Young-jin... Lee Jin-chul... Lee Ha-nui... Im Moo-sik... Kim Hye-ok... Park Young-shin... Seo Dong-gab... Kim Bong-shik... Kong Seong-ha... Choi Yoon-ji... Original Size (3840x2160) Original Size (3100x1744) Original Size (2666x1500) Original Size (1920x1080) Original Size (1920x1080) Original Size (3840x2160) Original Size (3427x1928) Original Size (1021x1532) Original Size (1200x1800) Original Size (2000x3000) Original Size (500x750) Original Size (1200x1800) Original Size (1200x1794) Original Size (715x1024) Original Size (720x1080) Original Size (2000x3000) Season 1 12 Episode(s) 2022-01-14