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Not available to stream in US
🔔 Notify me when it’s streamingSynopsis
The secret society of contract killers falls into chaos, unleashing a new breed of assassins. With old rules in ruins, who dares claim the shadows?
Themes
Cast & crew
Directed by Lee Tae-sung
Yim Si-wan
Park Gyu-young
Choi Hyun-wook
Bae Gang-hee
Hwang Seong-bin
Yoo Su-bin
Jeon Bae-soo
Jo Woo-jin
Sul Kyung-gu
Jeon Do-yeon
Yang Dong-geun
Kim Joon-baeVideos
Trailers
Images · 14
In this series · Kill Boksoon
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Reviews · from TMDB members
MovieGuysSep 27, 2025
What do you call an action movie, with little actual action? You could call it "Mantis" but I'll simply call it boring. This film has no idea what it wants to be. It starts off well enough but then gets mired down in a morass of ideas, a romance, an assassins business venture and other innocuous nonsense. Acting is decent and sets are well done, action is solid too. So why the hell not build on that formula? In summary, this is what happens when you don't adhere to… Read more
core premise your film is based upon. Its a common failing these days with writers who try too hard to be clever, when the "simple" answer is right in front of them. Suffice to say, one to avoid.