After spending a decade in prison, a hitman learns that he has a daughter and just wants a chance at a normal life. But his former mob boss wants him back at any cost, sending merciless assassins after him.
Unfortunately the movie A Man of Reason is not yet available on HBO Max.
| Sound | Kim Tae-seong | Original Music Composer |
| Camera | Go Rak-sun | Director of Photography |
| Editing | Kim Man-geun | Editor |
| Writing | Jung Hae-sin | Screenplay |
| Sound | Gong Tae-won | Sound |
| Production | Jung Hyun-ju | Executive Producer |
| Lighting | Go Rak-sun | Lighting Director |
| Sound | Yim Dong-seok | Production Sound Mixer |
| Art | Lee Nae-kyung | Production Design |
| Costume & Make-Up | Cho Sang-kyung | Costume Design |
| Costume & Make-Up | Jang Yoon-jung | Makeup & Hair |
| Camera | Hong Jeong-won | Grip |
| Camera | Lee Hyun-gyu | Grip |
| Costume & Make-Up | Yoon Hee-sun | Makeup Artist |
| Directing | Jung Woo-sung | Director |
| Production | Song Dae-chan | Producer |
| Art | Kim Jeong-min | Set Decoration |
| Art | Song Suk-ki | Set Decoration |
| Visual Effects | Baek Sang-hoon | Visual Effects Supervisor |
| Crew | Heo Myeong-haeng | Martial Arts Choreographer |
| Crew | Yoo Mi-jin | Martial Arts Choreographer |
| Editing | Park Jin-young | Digital Intermediate |
| Writing | Jung Woo-sung | Adaptation |
| Writing | Heo Dam | Adaptation |
| Production | Jo Young-wook | Associate Producer |
| Art | Heo Se-min | Props |
| Costume & Make-Up | Kwak Tae-yong | Special Effects Makeup Artist |
| Costume & Make-Up | Hwang Hyo-kyun | Special Effects Makeup Artist |
| Visual Effects | Jung Do-ahn | Special Effects Supervisor |
| Visual Effects | Jo Gyeong-gyu | Special Effects Supervisor |
| Art | Park Sung-yoon | Props |
