Directed by
| Ji-hoon Kim | ||
Writing Credits (in alphabetical order)
| JK Youn | ||
Cast (in credits order)
| Ha Ji-Won | ... | Cha Hae-joon | |
| Ahn Sung-ki | ... | Lee Jeong-man | |
| Oh Ji-ho | ... | Kim Dong-soo | |
| Cha Ye-ryun | ... | Genetic researcher Park Hyeon-jeong | |
 |
Lee Han-wi | ... | Dr. Jang Moon-hyeong |
| Park Chul-min | ... | Do Sang-goo | |
| Song Sae-byeok | ... | Go Jong-yoon | |
| Park Jeong-hak | ... | Captain Hwang In-hyeok | |
|
|
Park Yeong-soo | ... | Jang Chi-soon |
| Oh Min-seok | ... | Yoon Hyeon-woo | |
|
|
Yin-gi Jeong | ... | Hae-joon's father |
| Rest of cast listed alphabetically: | |||
|
|
Kim Feel | ... | Drilling worker #3 (as Seong-tae Kim) |
Produced by
| Joon-hwan Choi | ... | executive producer |
| Choi Yuno | ... | co-producer |
Cinematography by
| Doo-man Lee | ||
Second Unit Director or Assistant Director
| Hyun-Cheol Park | ... | second assistant director |
Visual Effects by
| Rick Chang | ... | visual effects producer |
| Young Choi | ... | visual effects producer |
| Marcus Englefield | ... | 3d executive producer |
| Seong-ho Jang | ... | visual effects supervisor/vfx supervisor (as Seongho Jang) |
| Hyungi Jeon | ... | fx artist (as Hyun-gi Jeon) |
| Sung-tae Kim | ... | on set visual effects supervisor |
| Sungsoo Daniel Kim | ... | compositor: ATOM VFX |
| Oseong Kwon | ... | compositing supervisor: Mofac Studio |
| George Lee | ... | 3d executive producer |
| Young-Soo Park | ... | visual effects supervisor |
| Jason Pomerantz | ... | production supervisor (IMAX version) |
| Daehwan Jang | ... | digital effects artist (uncredited) |
