A dark hero who gives criminals nightmares instead of prison sentences. A detective who fights with a knife. A police officer fuelled by childhood trauma and a hunger for revenge. If that premise doesn’t immediately put Nightmare on your must-watch list, nothing will. Stay on top of all the latest K-drama casting news at TechnoSports.
SBS Nightmare: Key Details at a Glance
| Detail | Info |
|---|---|
| Drama Title | Nightmare (literal translation) |
| Network | SBS |
| Genre | Sci-Fi Hero Drama |
| Current Status | Pre-production; filming expected soon |
| Kim Nam Gil | Kim Tae-yi — Violent Crimes Unit 1 detective |
| Kim Nam Gil Agency Status | Reviewing offer (not yet confirmed) |
| Lee Yoo Mi | Jang Gyu-eun — police officer / revenge seeker |
| Lee Yoo Mi Agency Status | Positively reviewing offer (not yet confirmed) |
| Announcement Date | March 11, 2026 |
What Is Nightmare Actually About?
Nightmare is a sci-fi hero drama set in a world where artificial intelligence can enter human dreams and design nightmares for criminals. Instead of going to prison, offenders face a dark hero’s “nightmare” that keeps them from sleeping for even a single night. The series focuses on a story of technology that manipulates the human subconscious and the large-scale crimes tied to it. Deadline

The concept is genuinely original — equal parts science fiction thriller and psychological crime drama. In a genre where “AI-driven” storylines are becoming increasingly common, Nightmare stands out by rooting its technology in something visceral and deeply human: the terror of sleep deprivation and the violation of one’s own subconscious.
Who Are Kim Nam Gil and Lee Yoo Mi Playing?
Kim Nam Gil is in talks to play Kim Tae-yi, a detective in the Violent Crimes Unit 1 at the Southern Police Station — a sharp, relentless investigator with a strong sense of justice who, unusually, wields a knife instead of a gun and lost his parents at a young age. Deadline It’s the kind of complex, brooding role that Kim Nam Gil does with undeniable authority.
Lee Yoo Mi has been offered the role of Jang Gyu-eun, a police officer haunted by a tragic childhood accident. Gyu-eun is a character who overcomes her horrific past and pursues revenge without hesitation. Deadline After her breakout global visibility from Squid Game, Lee Yoo Mi in a role with this much emotional depth and agency is enormously exciting.
Neither casting is officially confirmed yet — both actors are still reviewing their offers — but the fact that their agencies are publicly responding positively suggests this pairing is closer to reality than rumour. Follow all the latest K-drama casting and premiere updates on TechnoSports.





