Chul-soo is one of Korea’s best intelligence agents: he can accomplish any given mission. One day, a mysterious explosion takes place in Seoul. Chul-soo flies to Thailand on a mission to rescue a person who holds clues to the incident. Meanwhile, Young-hee goes on a business trip to Thailand and gets entangled with Chul-soo’s mission. Will he accomplish his mission and save his wife at the same time?
Unfortunately the movie The Spy: Undercover Operation is not yet available on HBO Max.
| Directing | Lee Seung-jun | Director |
| Production | Lee Sang-jik | Producer |
| Sound | Jeong Jin-ho | Original Music Composer |
| Writing | JK Youn | Screenplay |
| Production | Lee Han-seung | Producer |
| Editing | Shin Min-kyung | Editor |
| Writing | Park Soo-jin | Screenplay |
| Camera | Choi Jin-woong | Director of Photography |
| Writing | Yoo Young-a | Adaptation |
| Production | JK Youn | Executive Producer |
| Production | Kil Young-min | Executive Producer |
| Camera | Hong Jae-sik | Camera Operator |
| Art | Bae Jun-su | Art Direction |
| Production | Jeon Min | Line Producer |
| Production | Choi Jun-ho | Production Manager |
| Art | Kim Min-oh | Production Design |
| Lighting | Kim Seung-gyu | Lighting Director |
| Production | Choi Yun-ho | Producer |
| Costume & Make-Up | Kim Eun-suk | Costume Design |
| Crew | Park Young-sik | Martial Arts Choreographer |
| Crew | Kim Won-jin | Stunts |
| Art | Jin Hoon | Props |
| Crew | Choi Dong-hun | Martial Arts Choreographer |
| Sound | Park Hyun-soo | Production Sound Mixer |
| Visual Effects | Baek Sang-hoon | Visual Effects Supervisor |
| Visual Effects | Cheong Jai-hoon | VFX Supervisor |
| Crew | Kim Tae-kang | Stunts |
| Visual Effects | Kim Jung-soo | VFX Supervisor |
| Crew | Kim Byung-oh | Stunts |
| Costume & Make-Up | Lee Sun-mi | Makeup & Hair |
