Mercy for None
Mercy for None
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Mercy for None

"He is back."

7.7
Yr 2025
Status Ended
Action & Adventure Drama
Series Brief

Overview

After severing ties with his gang, a former gangster returns to uncover the truth behind his brother's death — embarking on a relentless path of revenge.

Why fans love it

Mercy for None turns the classic revenge story into a raw, kinetic exploration of grief. Adapted from a webtoon, this miniseries focuses on a former gangster who trades his gang life for a singular, destructive mission. The narrative remains tethered to the complicated brother-to-brother relationship that pushes the protagonist toward an increasingly aggressive investigation.

So Ji-sub anchors this brutal journey as a man operating outside the law. The pacing prioritizes the weight of death and the cold mechanics of retribution over typical action tropes. It is a lean, violent piece of storytelling that keeps the emotional stakes as high as the physical threats.

Featured Players

Cast 11

Cho Han-cheul
as Choi Seong-chul
So Ji-sub
as Nam Gi-jun
Huh Joon-ho
as Lee Joo-woon
Gong Myoung
as Gu Jun-mo
Choo Young-woo
as Lee Geum-son
An Kil-kang
as Koo Bong-san
Lee Jun-hyuk
as Nam Gi-seok
Cha Seung-won
as Cha Young-do
Lee Beom-soo
as Sim Seong-won
Jung Gun-joo
as Cheon Hae-beom
이정훈
as Joo-woon's gang member
Production Board

Crew

Original Music Composer
Screenplay
Director
Director of Photography
Keyword Cloud

Keywords

investigation miniseries death death of brother aggressive brother brother relationship based on webcomic or webtoon excited