Two spies share a secret bond, despite their loyalties. A North Korean assassin is sent to Seoul to kill a dissident, but instead he teams up with a South Korean agent in search for revenge.
Unfortunately the movie Secret Reunion is not yet available on HBO Max.
| Directing | Jang Hoon | Director |
| Writing | Jang Min-seok | Story |
| Writing | Choi Kwan-Yeong | Screenplay |
| Writing | Jang Hoon | Screenplay |
| Writing | Kim Joo-ho | Screenplay |
| Directing | Park Hong-soo | Assistant Director |
| Costume & Make-Up | Shin Yeon-jeong | Makeup & Hair |
| Sound | Jeong Gwang-ho | Production Sound Mixer |
| Camera | Lee Jong-woo | Camera Operator |
| Visual Effects | Son Seung-hyeon | VFX Supervisor |
| Camera | Lee Mo-gae | Director of Photography |
| Production | Jang Won-seok | Producer |
| Visual Effects | Yoo Young-il | VFX Supervisor |
| Sound | Gang Hye-yeong | Sound Designer |
| Art | Hwang In-jun | Production Design |
| Production | Kim Yeon-ho | Line Producer |
| Visual Effects | Jung Do-ahn | Special Effects Supervisor |
| Lighting | Oh Seung-chul | Lighting Director |
| Crew | Jeon Yu-jun | Fight Choreographer |
| Editing | Nam Na-young | Editor |
| Sound | Park Yong-gi | Sound Re-Recording Mixer |
