Mantis (Korean: 사마귀) is a 2025 South Korean action thriller film directed by Lee Tae-sung in his feature directorial debut. Starring Yim Si-wan, Park Gyu-young, and Jo Woo-jin, the film is a spin-off to the 2023 film Kill Boksoon and set in the same universe. The film was released on September 26, 2025 on Netflix.
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Synopsis
The film is about Mantis, a top assassin who comes back from vacation to find the hitman world in chaos after the downfall of the top company, MK. As he reintegrates into the industry by attempting to start his own company, he runs into Jae-yi, a former training partner and rival, and Dok-go, a famous retired killer who was his mentor at MK. He soon realizes they’re all competing to become the number one assassin.
Cast
Yim Si-wan as Lee Han-ul / Mantis
Park Gyu-young as Shin Jae-yi
Jo Woo-jin as Dok-go
Choi Hyun-wook as Benjamin Jo
Bae Gang-hee as Yang Soo-min
Hwang Seong-bin as Puma Lee
Yoo Su-bin as Kim Dong-yeong
Jeon Bae-soo as Nam Bae-soo
Yang Dong-geun as Gwang-cheon / Bi-cheon
Sul Kyung-gu as Cha Min-kyu
Jeon Do-yeon as Gil Bok-soon
Production
On September 2, 2024, Netflix confirmed the production of the action thriller film.
The film was shot over a five-month period, beginning on August 1, 2024, and concluding on December 20, 2024.
Release
The film was released on Netflix on September 26, 2025.