After a high-ranking North Korean official requests asylum, KCIA Foreign Unit chief Park Pyong-ho and Domestic Unit chief Kim Jung-do are tasked with uncovering a North Korean spy, known as Donglim, who is deeply embedded within their agency. When the spy begins leaking top secret intel that could jeopardize national security, the two units are each assigned to investigate each other.
| Editing | Kim Sang-bum | Editor |
| Sound | Cho Young-wuk | Original Music Composer |
| Camera | Lee Mo-gae | Director of Photography |
| Costume & Make-Up | Cho Sang-kyung | Costume Design |
| Directing | Lee Jung-jae | Director |
| Production | Lee Jung-jae | Producer |
| Writing | Lee Jung-jae | Writer |
| Crew | Lee Sun-kyun | Thanks |
| Visual Effects | Jung Do-ahn | Special Effects Supervisor |
| Writing | Lee Young-jong | Adaptation |
| Crew | Yang Woo-seok | Thanks |
| Camera | Kim Byung-seo | Camera Operator |
| Production | Han Jae-duk | Producer |
| Production | Park Min-jeong | Producer |
| Art | Park Elhen | Production Design |
| Sound | Kim Chang-sub | Sound Supervisor |
| Sound | Jung Gun | Production Sound Mixer |
| Camera | Lee Jong-woo | Camera Operator |
| Production | Kim Jin-sun | Executive Producer |
| Camera | Lee Eui-tae | Camera Operator |
| Costume & Make-Up | Choi Yoon-sun | Costume Design |
| Costume & Make-Up | Son Eun-ju | Makeup & Hair |
| Lighting | Lee Seong-hwan | Lighting Director |
| Visual Effects | Kim Tae-eui | VFX Supervisor |
| Visual Effects | Ryu Jae-hwan | VFX Supervisor |
| Editing | Ryu Yeon | Digital Intermediate Producer |
| Visual Effects | Yoon Hyung-tae | Special Effects Supervisor |
| Art | Park Jun-yong | Props |
| Crew | Heo Myeong-haeng | Stunt Coordinator |
| Crew | Kim Seon-wung | Stunt Coordinator |
| Editing | Park Jin-young | Colorist |
| Production | Hong Jeong-in | Executive Producer |
| Writing | Jo Seung-hee | Writer |
| Visual Effects | Chang Ick-jea | VFX Supervisor |
| Production | Cho Jae-sang | Producer |
| Writing | Baek Gyeong-yun | Adaptation |
| Art | Jang Hee-sun | Art Direction |
| Art | Im Se-jin | Art Direction |
| Art | Park Seung-hyeon | Set Decoration |
| Directing | Park Sin-woong | Assistant Director |
| Editing | Shin Jung-eun | Colorist |
| Crew | Han Dae-ryong | Stunts |
