Directed by
| Derek Son Tae-woong | ... | (as Derek Son) |
Writing Credits (in alphabetical order)
| Soon-Wook Jeon | ... | (written by) |
Cast (in credits order)
| On Joo-Wan | ... | Joong-suk | |
| Han Ji-min | ... | Sun-hwa | |
 |
Oh Tae-kyung | ... | Ki-beom |
| Rest of cast listed alphabetically: | |||
| Park Chan-hwan | ... | Sun-hwa's uncle | |
|
|
Seo Im-cheol | ... | School gaurd |
|
|
Park Jeong-hyeon | ... | Seon Hwa (young) (as Xi Yeon Park) |
|
|
Chan Jung | ... | Yun-ho |
|
|
Park Jung-gi | ... | Detective (as Jung-gi Park) |
| Jo Min-ki | ... | Dr. Han 'The Engineer' | |
| Soy | ... | Nerd | |
|
|
Moon Won-ju | ... | Fatso (as Won-ju Moon) |
|
|
Chae Yoon-seo | ... | Ji-yeong (as Yoon-seo Chae) |
Produced by
| Yong-bae Choi | ... | producer |
| Hyeong-wook Goh | ... | producer |
| Yeong-ho Kim | ... | producer |
| Jin-sook Lee | ... | producer |
Music by
| Sang-Yun Lee | ... | (music by) |
Cinematography by
| Seung-taek Seong | ||
Editing by
| Sung-Won Hahm | ... | (as Sung-won Ham) |
| Sang-min Lee | ||
Visual Effects by
| Jae-cheon Choi | ... | visual effects supervisor |
| Sung-jin Jung | ... | visual effects supervisor |
| Jeon Hyoung Lee | ... | visual effects supervisor: vfx supervisor (as Jeon-hyeong Lee) |
Additional Crew
| Su-jin Lee | ... | behind the scenes documentarian |
