Promotional cover of Mercy for None
Banner of Mercy for None

Mercy for None

2025
7 episodes
1 season
78user score

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.

Watch on Netflix →
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Season
Cover of the Season 2 of Mercy for None

Season 2

ended

There won't be a season 2, the show has ended.

Cover of the Season 1 of Mercy for None

Season 1

7 episodes
Jun 6, 2025

Casting
Profile picture of So Ji-sub who plays Nam Gi-jun
So Ji-sub
Nam Gi-jun
Profile picture of Huh Joon-ho who plays Lee Joo-woon
Huh Joon-ho
Lee Joo-woon
Profile picture of Gong Myoung who plays Gu Jun-mo
Gong Myoung
Gu Jun-mo
Profile picture of Choo Young-woo who plays Lee Geum-son
Choo Young-woo
Lee Geum-son
Profile picture of An Kil-kang who plays Koo Bong-san
An Kil-kang
Koo Bong-san
Profile picture of Cho Han-cheul who plays Choi Seong-chul
Cho Han-cheul
Choi Seong-chul
Profile picture of Lee Jun-hyuk who plays Nam Gi-seok
Lee Jun-hyuk
Nam Gi-seok
Profile picture of Cha Seung-won who plays Cha Young-do
Cha Seung-won
Cha Young-do
Profile picture of Lee Beom-soo who plays Sim Seong-won
Lee Beom-soo
Sim Seong-won
Profile picture of Jung Gun-joo who plays Cheon Hae-beom
Jung Gun-joo
Cheon Hae-beom
Profile picture of Lee Jung-hoon who plays Joo-woon's gang member
Lee Jung-hoon
Joo-woon's gang member
Network
Logo of Netflix
Content rating
R21
16
TV-MA
TV-MA
TV-MA
SAM 16
16
16
16
18+
16
16
16
K16
16
15
16
16
D
15
A
19
16
C
18
16
16
16
18+
16+
16
18+
15+
SPG
16
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