Mantis (Netflix)

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Movie: Mantis
Revised romanization: Samagwi
Hangul: 사마귀
Director: Lee Tae-Seong
Writer: Byun Sung-Hyun, Lee Tae-Seong, Lee Jin-Seong
Producer: Choi Bo-Ram
Cinematographer: Kim Joo-In
Release Date: September 26, 2025
Runtime: 113 min.
Distributor: Netflix
Language: Korean
Country: South Korea

Plot Synopsis by AsianWiki Staff ©

Elite assassin Mantis returns from vacation and learns that Cha Min-Kyu (Sul Kyung-Gu), who was the head of MK Enterprise, is dead. He decides to leave MK Enterprise and seek a new chance with other fellow contract killers. He has a friend named Jae-Yi (Park Gyu-Young) that he has known for many years. They trained together to become assassin. Jae-Yi is lethal as a contract killer, but she was kicked out of MK Enterprise due falling out of favor with her superiors. She holds complex feelings towards Mantis.

Meanwhile, Dokgo (Jo Woo-Jin) was the one of the founders of MK Enterprise and he was Mantis’s teacher. He retired from the contract killing world, but, after Cha Min-Kyu’s death, he returns to take over MK Enterprise. Dokgo tries to lure Mantis back to the company.

Notes

Related titles:
1. Kill Boksoon (2023)
2. Mantis | Samagwi (2025)

Cast



Yim Si-Wan	Park Gyu-Young	Jo Woo-Jin
Lee Han-Ul (Mantis)	Shin Jae-Yi	Dokgo

MK Enterprise



Sul Kyung-Gu	Jeon Do-Yeon
Cha Min-Kyu	Gil Bok-Soon

Contract Killers



Jeon Bae-Su	Bae Gang-Hee	Hwang Sung-Bin	Yoo Su-Bin	Yang Dong-Geun
Nam Bae-Su	Yang Su-Min	Bbeumbbai	Kim Dong-Young	Gwang-Chun / Bi-Chun

Meta Software



Choi Hyun-Wook	Park Kang-Sub
Benjamin Jo	General Manager Yoo

Others



Kim Jun-Bae	Hwang Bo Jung Il	Hwang Jin-Woon	Park Kyu-Bin
CEO Bae	killer bar owner	Lee Han-Ul (young)	Shin Jae-Yi (young)

Additional Cast Members:

Ahn Seong-Bong - MK front-desk staff
Oh Chi-Woon - dead body-cleaning team leader
Cheon Sung-Jin - airport company boss
Yoon Hyun-Sik - teenage dead body
Esom - Cha Min-Hee (flashback)
Koo Kyo-Hwan - Han Hee-Sung (flashback)
Kim Sung-Oh - Sergeant Shin (flashback)
Choi Byung-Mo - Hyun-Chul (flashback)
Kim Ki-Cheon - Soo-Geun (flashback)
Park Kwang-Jae - Gwang-Man (flashback)
Jang In-Sub - Yoon-Seok (flashback)

Trailers

Comments

Lalali Apr 07 2026 7:58 pm Gosh i hated the female lead so much.......like how do you even protect someone that doesn't want to be protected

Jen Nov 03 2025 9:14 pm Whoever said that kill boksoon had more talking going on is smoking crack. In Mantis, other than the beginning of the movie, I waited almost to half the movie to see actual killing (albeit short few seconds). There’s just a lot of business and investor talk going on omg. But I liked the show. I can’t really compare the two movies when I realized this wasn’t a sequel, but a spin-off. And to see some reoccurring actors from squid games, and crossovers from kill boksoon was nice! But yes, kill boksoon has more actual drama.

man Oct 09 2025 8:24 am Ngl mantis is more entertaining, imo kill boksoon had more talking and drama going on

patricia Oct 08 2025 6:37 pm the movie is so bad, not what i expected at all, the woman character was so annoying, very bad produced

Jeryl Sep 30 2025 7:58 am Too much talking! Didn’t even bother to finish it.

Red Sep 29 2025 9:28 am This movie is a so so so boring, thought it will be like Kill Bok soon but its very disappointing. Too much talking, stupid feelings and terrible plot

Jen Sep 28 2025 8:55 pm Jaeyi or whatever her name is kinda spoiled this show for me, I don’t know why the writers decided to spoil the show more by making Mantis have unnecessary feelings for her. I would have even preferred if her character was replaced with a guy and make this show more bromance rather than the unnecessary unrequited feelings mantis was habouring. Kill Bok soon was much better than this.

akira Sep 28 2025 1:11 pm I particularly enjoyed it. The pace was good, no vague characters. Yum Si Wan was great as an assassin with a heart. Park Gyu Young did pretty well, too Worth watching. I hope they make another one.

Nina Sep 28 2025 12:09 am Huh?? yall are complaining that it was bad? It had too much talking?? Guess what? It’s a movie. Anywaysss it was good alittle funny here and there but the plot gets to the point. Thought it was a drama at first but still good as a movie. Def watch it

Tseng3l Sep 27 2025 1:50 pm So boring. No story telling and too much talking.

Lily Sep 27 2025 1:03 pm I didn't understand Mantis' obsession with Jae Yi (J?). She was a horrible person throughout the movie.

Kissaki Sep 27 2025 9:23 am I didn't enjoy the film. Much worse than "Kill Boksoon".

Haja Sep 26 2025 11:56 pm The show is full of disappointment! Jae yi? All show is about her .. a lot of talking . Not recommend to watch at all..

Keba Sep 26 2025 4:48 am Sorry but I don’t get all the hype with Park Gyu-Young. She does not fit the character. After watching for 30 mins I had to stop. Couldn’t continue watching it. I did not like her for the character, Jae-yi. Jeon Jong-seo would have been a better actress for the part. The movie was a 1 star.

Me Sep 22 2025 4:45 pm @Faith, no this is only connected to Kill Boksoon, Queen Mantis is nothing to do with this, and they call her Queen Mantis because female praying mantis bite the head of the male, after they completed mating, because all her "victims" were male pond scum

hazel Sep 19 2025 11:47 pm I Am Sooooo Excited For This. Just saw the 10-minute preview from SBS and holy shit I have a gut feeling the angst and tension between Haneul/Mantis and J will be crazyyyy.

Faith Sep 14 2025 9:05 am Does queen mantis also connected with mantis and kill bokson's timeline? Or is it another universe

lily Aug 27 2025 10:50 am Oh its on same universe with Kill Boksoon? that "MK Enterprise"

Saakhi Apr 21 2025 6:12 am These two casts of the im siwan’s new project is from squid game s2 Guard 011 and player 333

Jun Dec 29 2024 7:40 pm Omg! Merciless reunion ❤️ Siwan x Kyunggu

Brightt Dec 29 2024 12:06 am Im Siwan projects will never fail u.. a must watch movie !

5_ooo Sep 28 2024 3:08 pm an extension to the world from kill boksoon.. quite a delight if i do say so myself.

Bright Sep 13 2024 11:34 am Im Si Wan new project !! Cant wait...

siwan gf Sep 08 2024 9:57 am can't wait!!

Mantis (Netflix)

Contents

User Rating

Profile

Plot Synopsis by AsianWiki Staff ©

Notes

Cast

MK Enterprise

Contract Killers

Meta Software

Others

Trailers

Comments

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