Overview: “Mantis” Korean movie (also known as “Praying Mantis”) is a Netflix original movie that released on September 26, 2025, and starring Yim Si Wan, Park Gyu Young and Jo Woo Jin. It will tell the story of…
Genre | Action, Thriller, Mystery, Crime |
Duration | 1 hour 51 minutes |
Watch Online* | Netflix |
Director | Lee Tae Sung |
Scriptwriter | Lee Tae Sung, Byun Sung Hyun |

Table of Contents
Synopsis
“Mantis” Korean movie goes like this: Elite assassin Mantis returns from vacation to find MK Enterprise’s boss dead. Wanting a new path, he teams up with fellow killer J, an old friend with mixed feelings toward him. But when Dok Go, Mantis’s former mentor, comes out of retirement to take control of MK Enterprise, he tries to pull Mantis back into the deadly world he left behind.
Main Cast & Characters
- Yim Si Wan as Han Ul / (A top assassin)
- Park Gyu Young as Sin Jae I (A trainee friend of Han Ul)
- Jo Woo Jin as Dok Go (A famous retired killer)
Still Cuts





Notes & Facts
- Yim Si Wan earlier starred in Korean movie “Road to Boston” (2023).
- Park Gyu Young earlier appeared in Korean movie “LOVE+SLING” (2018).
- Jo Woo Jin earlier starred in Korean movie “Boss” (2025).
- This movie is a spin-off of the 2023 movie Kill Boksoon.
- Park Gyu Young and Yim Si Wan has appeared together in drama before in Squid Game 2 and 3.
Trailers & Clips
This is the official trailer of Netflix original movie which has a dark theme and shows some action and fight scenes between the two assassins, Han Ul and Sin Jae I.
*Drama is subject to regional availability.