Despite being nearly proven the murderer, a serial killer threatens to kill the daughter of a forensic pathologist if he doesn't get him bailed out.


Hyeong-Joon Kim


Hyeong-Joon Kim
1 win & 1 nomination. See more awards »





Credited cast:
Kyung-gu Sol ... Kang Min-Ho
Seung-bum Ryoo ... Lee Sung-Ho
Hye-jin Han ... Min Seo-Young
Ji-ru Sung Ji-ru Sung ... Min Seo-Young
Nam Kyung-Eub ... Chief Detective Oh
Rest of cast listed alphabetically:
Jeong-heon Lee Jeong-heon Lee ... Analyst
Jeong-hak Park ... Prosecutor Park (as Jung-Hak Park)
Park Sang-wook ... Park Pyung-Sik
Kim Yeol Kim Yeol ... Kang Hye-Won


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. Written by anonymous

Plot Summary | Plot Synopsis


Rather be killed than forgive


Action | Crime | Thriller


Not Rated | See all certifications »

Parents Guide:

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Did You Know?


Kyung-gu Sol won Best Actor at the 18th Chunsa Film Art Awards for his performance. See more »


Lee Sung-Ho: Painful memory is far more agonizing than pain in the heart.
See more »

Crazy Credits

The title card of the film appears with a rose petal turned into a blood splatter in the background. See more »

Alternate Versions

The DVD version released in Singapore has a duration of 119 minutes. See more »


Yongseoneun eupda (Prologue)
Music by Park Ji-man
See more »

User Reviews

Unforgiving Vengeance – A must watch thriller.
29 March 2013 | by ajit2106See all my reviews

The pathologist Kang Min-ho, one of the first to apply rigorous scientific procedure in autopsies, working for some time with the police investigation. Just when his daughter is coming back from a long period of study in the United States, he was given the mandate to examine the corpse of a girl brutally mutilated. Kang applies to the case with diligence sailed, but his professional detachment disintegrates when connecting the late arrival of his daughter with alleged murderer. The prime suspect is a radical environmentalist, Yoon Jong-gang, who quietly admits that he kidnapped the girl, but he tells Kang Min-ho that his daughter will only be free, if your doctor will be able to clear him of murder and bring back to freedom. Kang is forced to tamper with evidence, in a desperate attempt to free his daughter.

Indeed, if viewed as a whole, the film directed and written by Kim Hyeong-joon is probably still a little under the films like, I saw the devil, Vengeance Trilogy, Memories of murder, but that does not mean his work is not to present the same sensation. Yes, you could say to this year's No Mercy which is actually less audible echo is one of South Korea's best thrillers. With a great cast, intelligent plot, incorporating elements such as investigation style of forensic investigators on the U.S. television series, CSI or Bones in the first minute and then immediately 'sharp turn' when entering the main conflict. The series of scenes race against time and combined with the ability to control the situations.

Kim Hyeong-Jun presented the resolutions which are well measured at frequent intervals, so we are surprised from one turn to the next, from one voltage level to the next point.

Not many movies dare to fundamentally depress their audience: NO MERCY is not a happy movie and hence it doesn't gear towards a commercial happy end. Instead the reward for the open-minded audience is a sharp story with a determined, rational and yet surprising (more or less) ending that doesn't compromise. So if you can't stand the heat, stay out of the kitchen.

Kim Hyeong-Jun was so kind though as to present us NO MERCY wrapped in gorgeous visuals and a formidable soundtrack – it's almost like a concession to ease the viewer's pain. Even if it doesn't really make NO MERCY more comfortable to watch – other than Kang at least the audience receives a bit of mercy after all.

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Official Sites:

Official Site


South Korea



Release Date:

7 January 2010 (South Korea) See more »

Also Known As:

No Mercy See more »

Filming Locations:

South Korea


Box Office

Cumulative Worldwide Gross:

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Company Credits

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Technical Specs


| (original)

Sound Mix:

Dolby Digital EX


Color (35 mm version)

Aspect Ratio:

2.35 : 1
See full technical specs »

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