The 'Beast Cop' Ma Seok-do heads to a foreign country to extradite a suspect, but soon after his arrival, he discovers additional murder cases and hears about a vicious killer who has been committing crimes against tourists for several years.
Unfortunately the movie The Roundup is not yet available on HBO Max.
| Production | Jang Won-seok | Executive Producer |
| Production | Ma Dong-seok | Executive Producer |
| Sound | Kim Tae-seong | Original Music Composer |
| Camera | Ju Sung-lim | Director of Photography |
| Art | Bang Gil-sung | Production Design |
| Art | Kim Soon-geun | Props |
| Lighting | Choi Jong-ha | Lighting Director |
| Sound | Kim Gi-nam | Production Sound Mixer |
| Costume & Make-Up | Nam Ji-soo | Costume Design |
| Crew | Yoon Seong-min | Martial Arts Choreographer |
| Sound | Ahn Sung-il | Production Sound Mixer |
| Crew | Heo Myeong-haeng | Martial Arts Choreographer |
| Art | Nam Seong-ju | Set Decoration |
| Visual Effects | Park Dae-hun | Special Effects Supervisor |
| Editing | Kim Sun-min | Editor |
| Costume & Make-Up | Nam Ji-soo | Makeup & Hair |
| Sound | Park Yong-gi | Sound Supervisor |
| Visual Effects | Jeon Min-gyu | VFX Supervisor |
| Writing | Lee Sang-yong | Adaptation |
| Writing | Ma Dong-seok | Adaptation |
| Writing | Lee Young-jong | Adaptation |
| Editing | Park Jin-young | Digital Intermediate |
| Costume & Make-Up | Pi Dae-seong | Special Effects Makeup Artist |
| Crew | Jeon Jae-hyeong | Stunts |
| Production | Kim Won-hun | Line Producer |
| Art | Shin Seon-hwa | Art Direction |
| Visual Effects | Kim Nam-sik | VFX Supervisor |
| Writing | Lee Yoon-ho | Storyboard |
| Crew | Seo Ji-oh | Stunts |
| Editing | Ryu Yeon | Digital Intermediate Producer |
| Visual Effects | Do Gwang-il | Special Effects Supervisor |
| Sound | Jeong Sang-woo | Original Music Composer |
| Art | Lee Tae-wook | Special Props |
| Crew | Kwon Ji-hoon | Stunts |
| Visual Effects | Yang Il-seok | VFX Supervisor |
| Visual Effects | Park Si-hwan | CGI Director |
| Production | Lee Chun-woo | Line Producer |
| Art | Eom Se-yong | Special Props |
| Camera | Jung Il-seo | Key Grip |
| Camera | Lee Hyun | "B" Camera Operator |
| Writing | Kang Yun-sung | Characters |
| Camera | Cha Min-jung | Still Photographer |
| Directing | Kim Yong-tae | Assistant Director |
| Production | Kang Yun-sung | Executive Producer |
| Directing | Lee Sang-yong | Director |
| Production | Kim Hong-baek | Executive Producer |
| Production | Yoo Young-chae | Producer |
| Writing | Kim Min-sung | Writer |
