Series synopsis
Mercy for None is a South Korean action & adventure drama television series that premiered on Netflix on June 6, 2025. It ended on June 6, 2025. It stars So Ji-sub, Huh Joon-ho, Gong Myoung and Choo Young-woo.
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.
Premise
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.
Premise: He is back.
Cast and characters
Leading cast
- 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
- Cho Han-cheul as Choi Seong-chul
- Lee Jun-hyuk as Nam Gi-seok
- Cha Seung-won as Cha Young-do
Supporting cast
- Lee Beom-soo as Sim Seong-won
- Jung Gun-joo as Cheon Hae-beom
- Lee Jung-hoon as Joo-woon's gang member
Episodes
This series spans 1 season with 7 episodes.
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 7 | June 6, 2025 | June 6, 2025 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
Episode 1 After Nam Gi-seok's mysterious death, Nam Gi-jun emerges from seclusion on a mission to find the perpetrator — no matter the cost. |
June 6, 2025 |
| 2 |
Episode 2 After tracking down Gi-seok's hit, Gi-jun discovers the scheme's origin — forcing him to enforce a rule he established more than a decade ago. |
June 6, 2025 |
| 3 |
Episode 3 Despite his father's precautions, Gu Jun-mo underestimates the threat he faces. Frustrated and desperate, he decides to handle Gi-jun himself. |
June 6, 2025 |
Production
Release
| Original network/platform | Netflix |
|---|---|
| First aired | June 6, 2025 |
| Last aired | June 6, 2025 |
| Status | ended |