Mantis, an ace assassin, returns to the contract killer industry after a hiatus, encountering his trainee friend Jae-yi and a retired legendary killer Dok-go, who now runs the organization.
Mantis Movie Overview
Title | Mantis |
---|---|
Release Status | Released |
Release Date | 2025-09-26 |
Runtime | 1 hours and 53 minutes |
Genre | Action, Crime, Thriller |
Original Language | Ko |
Spoken Language | Korean |
Country | South Korea |
Production Co. | See Át Film |
Mantis Movie Cast
Name | Character |
---|---|
Yim Si-wan | Lee Han-wool / Mantis |
Park Gyu-young | Shin Jae-yi |
Jo Woo-jin | Dok-go |
Sul Kyung-gu | Cha Min-gyu |
Jeon Do-yeon | Gil Bok-soon |
Jeon Bae-soo | Nam Bae-soo |
Bae Gang-hee | Soo-min |
Hwang Sung-bin | Puma Lee |
Yoo Su-bin | Dong-yeong |
Choi Hyun-wook | Benjamin Jo |
Yang Dong-geun | Gwang-cheon / Bi-cheon |
Kim Joon-bae | Mr. Bae |
Park Kang-seop | Manager Yoo |
Do Yu | Secretary |
Ahn Seong-bong | MK Desk |
Seo Ji-oh | Leaflet |
Aerok Kim | Tatto |
Esom | Cha Min-hee (archive footage) |
Koo Kyo-hwan | Han Hee-sung (archive footage) |
Kim Seung-o | Shin (archive footage) |
Lee Yeon | Kim Young-ji (archive footage) |
Choi Byung-mo | Hyun-chul (archive footage) |
Kim Ki-cheon | Su-guen (archive footage) |
Park Kwang-jae | Gwang-man (archive footage) |
Jang In-sub | Yoon-sub (archive footage) |
Mantis Movie Storyline
Lee Han-wool, formerly known as the notorious assassin Mantis, had traded his life of bloodshed for a quiet existence, haunted by the ghosts of his past. When a new threat emerges, a ruthless syndicate jeopardizing the delicate balance of the assassin underworld, Dok-go, the retired legend now leading the organization, compels Mantis to return. Reluctantly, Mantis accepts, drawn back not by duty but by the safety of Shin Jae-yi, his former trainee and close friend, who is now caught in the crosshairs. As Mantis navigates the treacherous landscape, he confronts not only the external enemy but also his internal demons, battling the darkness that threatens to consume him once more. The closer he gets to dismantling the syndicate, the more he realizes that Jae-yi harbors secrets of her own, blurring the lines between ally and adversary. Gil Bok-soon, a figure from Dok-go’s past and a rival within the organization, emerges as a key player, her motives shrouded in ambiguity. Mantis must confront Bok-soon’s challenge, and ultimately make a choice that will define his legacy, deciding whether to embrace his killer instincts or forge a new path towards redemption. The thrilling climax reveals a shocking betrayal, forcing Mantis to make a sacrifice, securing a future where Jae-yi can choose her own destiny, even if it means his own demise.
Mantis Movie Details
In the sleek, neon-drenched underworld of South Korea, Mantis unfolds as a high-octane action thriller centered around the life of Lee Han-wool, also known as Mantis, portrayed by Yim Si-wan, a legendary assassin attempting to reintegrate into the deadly world he once dominated. After a mysterious hiatus, Mantis returns to the fold, only to find the landscape irrevocably changed, now overseen by the formidable Dok-go, played by Jo Woo-jin, a retired killer who’s traded blades for boardroom meetings. His path crosses with Shin Jae-yi, portrayed by Park Gyu-young, a sharp and ambitious trainee under Dok-go, who represents the new generation of contract killers, blurring the lines between friendship and professional rivalry with Mantis. Complicating matters further is Cha Min-gyu, brought to life by Sul Kyung-gu, whose presence hints at deeper conspiracies within the organization, forcing Mantis to confront his past and question his loyalties. Navigating through betrayals, hidden agendas, and relentless enemies, Mantis must rediscover his killer instincts while protecting those he cares about, setting the stage for a brutal showdown where survival hinges on precision, cunning, and the cold-blooded application of lethal skills. Mantis explores themes of redemption, legacy, and the moral ambiguities of a life steeped in violence.
Mantis Movie Poster Images




Mantis Movie Trailers
Official Trailer [ENG SUB]
Official Teaser [ENG SUB]
Mantis Movie FAQs
What is the title of the movie?
The title of the movie is Mantis.
What genre is the movie?
The movie is an Action, Crime, and Thriller.
When was the movie released?
The movie was released on 2025-09-26.
What is the movie about?
Mantis, an ace assassin, returns to the contract killer industry after a hiatus, encountering his trainee friend Jae-yi and a retired legendary killer Dok-go, who now runs the organization.
Who are some of the actors in the movie?
Some of the actors in the movie are Yim Si-wan, Park Gyu-young, and Jo Woo-jin.
What is the original language of the movie?
The original language of the movie is Korean.
What is the tagline of the movie?
The tagline is A New Generation of Rising Killers.
Which country produced the movie?
The movie was produced in South Korea.
What is the runtime of the movie?
The runtime of the movie is 113 minutes.
Is Mantis part of a collection?
Yes, Mantis belongs to the Kill Boksoon Collection.