‘Mantis’ on Netflix: Cast, Plot, Trailer, Release Date And Everything You Need to Know

Netflix has a knack for turning thrills into pulse-pounding obsessions, where shadows move in mysterious ways and danger lurks in the quietest corners. Imagine a deadly dance of silent predators, where every step and glance hides a secret. In this charged atmosphere, the spin-off titled Mantis emerges, perched to strike with precision in the universe initially painted by Kill Boksoon. 

When an assassin walks back into the game, you want to know who is packing heat and whose chemistry sets off sparks. The cast of Mantis brings depth, danger, and a dash of deadly charm that promises a thriller you cannot pause. 

Cast: Meet the deadly trio, the faces behind the lethal Mantis dance

Mantis assembles a captivating trio that brings the assassin world to life. Leading the charge is Yim Si-wan playing Han-ul, aka Mantis, a highly skilled assassin returning from a mysterious hiatus. Park Gyu-young stars as Jae-yi, an equally deadly former contract killer with a complex past tied to Mantis. Jo Woo-jin portrays Dok-go, a retired legend who now heads MK Enterprise and aims to pull Mantis back into the fold.

This powerhouse cast channels intensity and layered dynamics for a gripping watch.

Plot: What happens when assassins return to the shadows take aim anew?

The story of Mantis shifts focus from Gil Bok-soon to Han-ul, the ace assassin known as Mantis, who reenters the chaotic assassin industry after his vacation. Upon arrival, he encounters Jae-yi, his trainee and old rival who was ousted from MK Enterprise, and Dok-go, the retired founder stepping in as CEO following the death of MK’s head. The trio’s personal histories and deadly ambitions collide, driving a thrilling battle for supremacy in this high-stakes underworld of hired killers.

Tick-tock goes the countdown clock as Netflix prepares to unleash Mantis upon craving thriller fans. The pulse pounding is nearly over, and so should the calendar marking and schedule clearing be. 

Mark your calendars: Precautions for when Mantis strikes Netflix screens

Netflix confirms a third-quarter 2025 release for Mantis, with the date being set for September 26, 2025. This positions Mantis as an autumn thriller event, following the massive popularity of Kill Boksoon on the streaming platform. Fans of Korean crime-action thrillers should prepare for edge-of-your-seat excitement as the spin-off drops exclusively on Netflix.

Behind the curtain: The makers and mayhem of Mantis

Directed by Lee Tae-sung in his feature debut alongside co-writer Byun Sung-hyun, the brains behind Kill Boksoon, Mantis comes from the same production house AT Film, a “next level” to the predecessor. The movie delves deeper into the ruthless rivalry and emotional entanglements within MK Enterprise, the shadowy assassin organization. With a sharp script, a dynamic cast, and a world enriched with tension, Mantis aims to be a must-watch thriller for the Netflix audience.

Do you now know all the steps to the dance of Mantis? Let us know in the comments below.