Nocturnal A mystery thriller about what happens when a detective finds out that a case he is working on resembles a novel while investigating the death of a best-selling author's husband. Details Casts Posters Title Nocturnal Release Date Runtime 01 Hours 37 Minutes Genres Mystery Thriller Production Companies Kakao Entertainment, Sanai Pictures, Plus M Entertainment Production Countries South Korea Ha Jung-woo... ... Kim Nam-gil... ... Yoo Da-in... ... Jeong Man-sik... ... Heo Sung-tae... ... Jeong Jae-kwang... ... Original Size (1000x1500) Original Size (2000x3000) Original Size (1000x1500)