
"Mercy for None" ranks No. 2 on Netflix’s global non-English TV chart. Courtesy of Netflix
Korean Netflix original series “Mercy for None” has climbed to No. 2 on the platform’s Global Top 10 for non-English TV shows, according to data released by the streaming giant on Wednesday.
The crime-action drama entered the Top 10 list in 44 countries just days after its global premiere on June 6, highlighting the show's immediate international appeal.
“Mercy for None” follows the story of Ki-jun (played by So Ji-sub), who returns to the criminal underworld he once left behind after severing his own Achilles tendon.
The former enforcer reemerges 11 years later to uncover the truth behind the death of his younger brother Ki-seok (played by Lee Joon-hyuk), who had risen to the No. 2 spot in the same organization. Driven by vengeance, Ki-jun navigates a world of betrayal, ambition and moral ambiguity in his quest for justice.
The series, directed by Choi Sung-eun, features a star-studded cast including So Ji-sub, Lee Joon-hyuk, Huh Jun-ho, Cha Seung-won and Gong Myung.

"Mercy for None" follows Ki-jun (So Ji-sub) as he returns to the criminal underworld after 11 years away to uncover the truth behind his brother’s death. Netflix.
Behind-the-scenes stills released along with the viewership data offer a glimpse into the intense yet friendly atmosphere on set. Photos show So and director Choi deep in discussion over action scenes, while Lee Joon-hyuk and other actors are seen monitoring takes and reviewing scripts.
In one image, actors Jo Han-chul, Ahn Kil-kang, and Huh Jun-ho break into laughter between takes, a stark contrast to the gritty, tension-filled world depicted in the show. Another shot features Cha Seung-won as the enigmatic Cha Young-do, exuding mystery with a piercing gaze that recalls his character’s chilling presence on screen.
“Mercy for None” continues to attract attention globally as a gripping tale of revenge and redemption set against the backdrop of a ruthless underworld.

Actor So Ji-sub who plays Ki-jun in “Mercy for None” / Yonhap
This article from the Hankook Ilbo, a sister publication of The Korea Times, is translated by a generative AI and edited by The Korea Times.