“A new generation of rising killers.”
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Mantis (2025) – Official Trailer, Cast & Details
Mantis at a Glance
Mantis is a 2025 action, crime and thriller film directed by Lee Tae-sung, starring Yim Si-wan, Park Gyu-young and Choi Hyun-wook. It has a runtime of 1 hour 53 minutes and was released on September 25, 2025. Mantis has a TMDB rating of 6.4 out of 10 based on 193 votes and is rated R in the United States.
Watch the official Mantis trailer for free in 123Movies below.
1080p HD • Free YouTube Stream
Storyline & Synopsis
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?
Where “Mantis” Fits in the 123Movies Catalog
Frequently Asked Questions About Mantis
What is the release date of Mantis?
Mantis was released on September 25, 2025.
How long is Mantis?
Mantis runs 1 hour 53 minutes (113 minutes).
Who is in the cast of Mantis?
Mantis stars Yim Si-wan as Lee Han-wool / Mantis, Park Gyu-young as Shin Jae-yi, Choi Hyun-wook as Benjamin Jo and Bae Gang-hee as Yang Soo-min. The cast also includes Hwang Seong-bin, Yoo Su-bin, Jeon Bae-soo and Jo Woo-jin.
Who directed Mantis?
Mantis was directed by Lee Tae-sung. The screenplay is credited to Lee Tae-sung, Byun Sung-hyun and Lee Jin-seong.
What kind of movie is Mantis?
Mantis is listed on TMDB as a mix of action, crime and thriller.
What is Mantis rated?
Mantis is rated R in the United States. On TMDB it has an average user score of 6.4/10 from 193 votes.
Is Mantis part of a movie series?
Yes. On TMDB, Mantis belongs to the Kill Boksoon Collection.
Where can I watch the Mantis trailer?
You can watch the official trailer for Mantis, "Official Trailer [ENG SUB]", for free on this 123Movies page. It is embedded from YouTube.
What should I watch if I liked Mantis?
Movies TMDB recommends alongside Mantis include Hitman: Agent 47 (2015), The Virtuoso (2021), The Killer (2022), Memory (2022) and Ava (2020).
Can I stream the full movie of Mantis on 123Movies?
No. 123Movies only shows official trailers and title information. Full movies are not hosted or linked on this site.
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Memory
Ava
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Fast Charlie
Run All Night
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