Filmography from : Kim Hyeong Joon
Director :
![](http://www.ohmygore.com/movies/no_mercy/t_01.jpg)
Sol Kyung-Gu plays a staff member of the National Institute of Scientific Investigation (NISI) in South Korea. He attempts to uncover the identity of a mysterious serial killer who decapitates his victims. Ryoo Seung-Bum plays a environmentalist who holds clues to unravel the mystery....
Writer :
![](http://www.ohmygore.com/movies/no_mercy/t_01.jpg)
Sol Kyung-Gu plays a staff member of the National Institute of Scientific Investigation (NISI) in South Korea. He attempts to uncover the identity of a mysterious serial killer who decapitates his victims. Ryoo Seung-Bum plays a environmentalist who holds clues to unravel the mystery....