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.
Is Mantis on Netflix? Yes! The movie Mantis is now on Netflix in the countries listed below.
| Crew | Byun Sung-hyun | Creator |
| Directing | Lee Tae-sung | Director |
| Writing | Lee Tae-sung | Writer |
| Writing | Byun Sung-hyun | Writer |
| Writing | Lee Jin-seong | Writer |
| Writing | Byun Sung-hyun | Characters |
| Sound | Dalpalan | Original Music Composer |
| Costume & Make-Up | Cho Sang-kyung | Costume Design |
| Camera | Kang Min-woo | Director of Photography |
| Crew | Ryu Seong-cheol | Martial Arts Choreographer |
| Production | Yi Jin-hee | Producer |
| Production | Choi Bo-ram | Producer |
| Lighting | Lee Seung-ho | Lighting Director |
| Art | Lee Jong-geon | Production Design |
| Art | Kwak Hae-eun | Production Design |
| Sound | Park Jong-woo | Production Sound Mixer |
| Costume & Make-Up | Kim Hyun-jung | Makeup & Hair |
| Crew | Seo Ji-oh | Martial Arts Choreographer |
| Camera | Park Ji-seul | Grip |
| Art | Oh Jin-seok | Props |
| Art | Nam Seong-ju | Set Decoration |
| Editing | Kim Sang-bum | Editor |
| Editing | Kim Ho-bin | Editor |
| Editing | Lee Gyeong-jong | Digital Intermediate |
| Visual Effects | Lee Jung-bok | Visual Effects |
| Production | Seo Soo-seok | Line Producer |
| Visual Effects | Jung Do-ahn | Special Effects Supervisor |
| Visual Effects | Yoon Hyung-tae | Special Effects Supervisor |
| Costume & Make-Up | Hwang Hyo-kyun | Special Effects Makeup Artist |
| Costume & Make-Up | Kwak Tae-yong | Special Effects Makeup Artist |
| Sound | Kim Suk-won | Sound Supervisor |
| Directing | Lee Beom-seok | Assistant Director |
| Directing | Woo Jong-hyun | Assistant Director |
| Costume & Make-Up | Aerok Kim | Tattoo Designer |
