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Mantis
A slick, neon-drenched action thriller steeped in bittersweet rivalry and razor-sharp betrayal, where blood-stained dual sickles slice through corporate shadows to ignite a tragic clash of untethered ambition.
Mantis
Mantis

사마귀

"A new generation of rising killers."

25 September 2025 South Korea 113 min 6.5 (180)

Director: Lee Tae-sung

Cast: Yim Si-wan, Park Gyu-young, Choi Hyun-wook, Bae Gang-hee, Hwang Sung-bin

Crime Action Thriller Generational Shift & Institutional Breakdown The Shadow of Genius & Inferiority Complex Autonomy vs. Codependency in Ambiguous Relationships The Legacy and Toxicity of Mentorship Capitalist Commodification of Violence

Mantis — Characters & Cast

Character Analysis

Lee Han-ul ("Mantis")

Yim Si-wan

Archetype: Ace Antihero / Genius Key Trait: Natural lethal talent paired with understated emotional attachment.

Motivation

To protect Jae-i and build a clean business on his own terms.

Character Arc

Transitions from a laid-back contract killer into an independent leader forced to fight his own master and friend.

Shin Jae-i

Park Gyu-young

Archetype: Ambitious Rival / Tragic Antiheroine Key Trait: Intense pride and hidden unrequited feelings masked by aggression.

Motivation

To break out of Han-ul’s shadow and prove her supreme worth.

Character Arc

Evolves from an underappreciated killer into an autonomous leader who claims control at the cost of her emotional bonds.

Dok-go

Jo Woo-jin

Archetype: Corrupted Mentor / Old Guard Antagonist Key Trait: Calculated pragmatism and mastery over double tonfas.

Motivation

To restore MK Enterprise's monopoly and maintain old-world control.

Character Arc

Returns from peaceful retirement to ruthlessly rebuild MK Enterprise, underestimating his former pupils.

Benjamin Jo

Choi Hyun-wook

Archetype: Opportunistic Catalyst / Disruptor Key Trait: Arrogant, manipulative, and condescending toward traditional hitmen.

Motivation

To monetize and monopolize the assassination business through tech capital.

Character Arc

A tech CEO who enters the hitman industry, exploiting Jae-i’s psychological vulnerabilities to trigger a bloodbath.

Nam Bae-soo

Jeon Bae-soo

Archetype: Earthy Supporter / Veteran Boss Key Trait: Warmth and fatherly protectiveness wrapped in a colorful apron.

Motivation

To keep his small hitman crew solvent and alive.

Character Arc

A small-agency boss who cares for Jae-i, serving as a rare compassionate figure in the blood-soaked ecosystem.

Cast

Yim Si-wan as Lee Han-wool / Mantis
Park Gyu-young as Shin Jae-yi
Choi Hyun-wook as Benjamin Jo
Bae Gang-hee as Yang Soo-min
Hwang Sung-bin as Puma Lee
Yoo Su-bin as Kim Dong-yeong
Jeon Bae-soo as Nam Bae-soo
Jo Woo-jin as Dok-go
Sul Kyung-gu as Cha Min-gyu
Jeon Do-yeon as Gil Bok-soon
Yang Dong-geun as Gwang-cheon / Bi-cheon
Kim Joon-bae as Mr. Bae
Park Kang-seop as Manager Yoo
Do Yu as Secretary
Ahn Seong-bong as M.K Information Desk Staff

Explore More About This Movie

Dive deeper into specific aspects of the movie with our detailed analysis pages

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