 | Kang Soo-youn als Seo-hyun |
 | Kim Hyun-joo als Jung-yi |
 | Ryu Kyung-soo als Sang-hoon |
 | Uhm Ji-won als Se-yeon |
 | Lee Dong-hee als Chairman |
 | Han Woo-yeol als Jae-kyung |
 | Lee Ga-kyung als Researcher 2 |
 | Shin Min-jae als Researcher 3 |
 | Kim Sun-hyuk als Researcher 5 |
 | Lee Hyun-kyun als Doctor |
 | Park So-yi als Young Seo-hyun |
 | Lee Seung-chan als Suit Man 2 |
 | Kim Tae-jun als Buffet |
 | Do Yong-gu als General 1 |
 | Hong Seok-bin als General 2 |
 | Jeon Jung-il als Suit General 1 |
 | Son Young-soon als Old Jung-yi |
 | Cha Young-ju als Nurse |
 | Cha Hee als Woman in Suit |
 | Park So-eul als Monorail Kid |
| Yeon Sang-ho | Director |
| Yeon Sang-ho | Writer |
| Byun Seung-min | Executive Producer |
| Kim Yeon-ho | Producer |
| Yoo Ji-sun | Director of Photography |
| Jun Young-seok | Lighting Director |
| Lee Mok-won | Production Design |
| Choi Hyo-sun | Property Master |
| Kang Bong-sung | Sound Mixer |
| Kim Hyung-jik | Set Decoration |
| Lee Jin-young | Makeup Designer |
| Yang Jin-mo | Editor |
| Kim Suk-won | Sound Supervisor |
| Hwang Hyo-kyun | Special Effects Makeup Artist |
| Kwak Tae-yong | Special Effects Makeup Artist |
| Park Kyoung-soo | Special Effects Supervisor |
| Heo Myeong-haeng | Stunts |
| Yoo Mi-jin | Stunts |
| Jung Hwang-soo | VFX Supervisor |
| Hong Jeong-ho | VFX Supervisor |
| Kim Dong-wook | Music Director |
| Yoon Young-woo | Assistant Director |
| Choi Yong-jae | Key Grip |
| Cho Sang-kyung | Costume Designer |
| Lee Eun-song | Digital Colorist |
| Kim Chang-seok | Special Effects Supervisor |
| Lee Eun-mi | Compositing Artist |
| Eun Jae-hyeon | VFX Artist |
| Chae Jeong-seok | "B" Camera Operator |
| Kim Hyeong-rok | VFX Artist |
| Jo Gyeong-hun | Visual Effects Director |
| Jo Eun-hye | Line Producer |
