Ji-woo, an outcast at a prestigious private school, meets Hak-sung, the school janitor who is actually a mathematical genius who defected from North Korea.
Unfortunately the movie In Our Prime is not yet available on HBO Max.
| Editing | Kim Sun-min | Editor |
| Costume & Make-Up | Kim Tae-yeon | Costume Design |
| Lighting | Kang Dae-hui | Lighting Director |
| Costume & Make-Up | Cho Tae-hee | Makeup & Hair |
| Sound | Lee Ji-soo | Original Music Composer |
| Art | Choi Hyo-sun | Props |
| Art | Kim Yeong-hui | Production Design |
| Visual Effects | Jeon Gun-ik | Special Effects Supervisor |
| Camera | Park Hong-yeol | Director of Photography |
| Sound | Lee Seung-yeop | Sound Supervisor |
| Crew | Kim Yong-ho | Martial Arts Choreographer |
| Production | Ha Jung-wan | Executive Producer |
| Sound | Go Jun-yeong | Production Sound Mixer |
| Visual Effects | Yoon Choong-yeol | VFX Supervisor |
| Production | Kim Do-su | Executive Producer |
| Production | Yi Jae-min | Line Producer |
| Visual Effects | Kim Tae-eui | VFX Supervisor |
| Art | Lee Gi-seok | Set Decoration |
| Art | Lee Jeong-hyeon | Art Direction |
| Editing | Kim Ji-min | Digital Intermediate |
| Directing | Park Dong-hun | Director |
| Editing | Lee Eun-Song | Digital Intermediate |
| Visual Effects | Park Seong-hyeon | Compositing Artist |
| Visual Effects | Kim Yong-u | CGI Director |
| Camera | Song Kyung-min | Key Grip |
| Camera | Chae Jeong-seok | "B" Camera Operator |
| Writing | Lee Yong-jae | Writer |
| Production | Hwang Jae-soon | Producer |
