Goeroes uit de late Goryeo-dynastie proberen een legendarisch, heilig zwaard te bemachtigen, en mensen jagen in 2022 op een buitenaardse gevangene die opgesloten zit in het lichaam van een mens. De twee partijen kruisen elkaar wanneer een tijdreizend portaal zich opent.
Nee, helaas is Alienoid nog niet beschikbaar op Netflix in Nederland.
| Directing | Choi Dong-hoon | Director |
| Camera | Kim Tae-kyeong | Director of Photography |
| Art | Ryu Seong-hie | Production Design |
| Art | Lee Ha-jun | Production Design |
| Crew | Yoo Sang-seob | Martial Arts Choreographer |
| Crew | Ryu Seong-cheol | Martial Arts Choreographer |
| Costume & Make-Up | Cho Sang-kyung | Costume Design |
| Sound | Jang Young-gyu | Original Music Composer |
| Writing | Choi Dong-hoon | Writer |
| Art | Kwon Soo-yeon | Art Direction |
| Art | Choi Ji-hye | Art Direction |
| Editing | Park Jin-young | Digital Intermediate |
| Art | Mo So-ra | Art Direction |
| Art | Lee Gi-seok | Set Decoration |
| Visual Effects | Hong Jeong-ho | VFX Supervisor |
| Art | Jang Hee-sun | Art Designer |
| Art | Im Se-jin | Art Designer |
| Visual Effects | Jay Seung Jaegal | VFX Supervisor |
| Crew | Jay Seung Jaegal | Visual Effects Art Director |
| Crew | Kwon Ji-hoon | Stunts |
| Visual Effects | Han Moon-sung | VFX Supervisor |
| Visual Effects | Jung Do-ahn | Special Effects Supervisor |
| Visual Effects | Yoon Hyung-tae | Special Effects Supervisor |
| Editing | Shin Min-kyung | Editor |
| Production | Kang Ho-sung | Executive Producer |
| Art | You Cheong | Props |
| Art | Park Jun-yong | Props |
| Costume & Make-Up | Kim Hyun-jung | Makeup & Hair |
| Costume & Make-Up | Hwang Hyo-kyun | Special Effects Makeup Artist |
| Costume & Make-Up | Kwak Tae-yong | Special Effects Makeup Artist |
| Sound | Eun Hee-soo | Production Sound Mixer |
| Sound | Choi Tae-young | Sound Supervisor |
| Production | Kim Sung-min | Producer |
| Writing | Lee Ki-cheol | Writer |
| Camera | Lee Jae-hyeok | Still Photographer |
| Visual Effects | Lee Eun-mi | Compositing Artist |
| Production | Yang Eun-jeong | Line Producer |
| Camera | Ji Sung-yong | Key Grip |
| Directing | Hwang Jae-jin | Assistant Director |
| Lighting | Hong Seung-chul | Gaffer |
| Production | Ahn Soo-hyun | Producer |
| Production | Choi Dong-hoon | Producer |
| Camera | Lim Won-geun | Camera Operator |
| Sound | Yang Hye-jin | Sound Editor |
