Directed by
| Jae-Hyun Ko | ||
Cast (in credits order)
| Song Seung-heon | ... | Han Moo-gang / Black | |
| Go Ara | ... | Kang Ha-ram | |
| Lee El | ... | Yoon Soo-wan | |
| Jo Jae-yoon | ... | Grim Reaper No. 007 (2017) | |
| Kim Dong-jun | ... | Oh Man-soo (as Dong-jun Kim) | |
| Kim Won-hae | ... | Na Gwang-gyun (2017) | |
| Rest of cast listed alphabetically: | |||
| Cha Cheong-hwa | ... | Clara (as Jeong-hwa Cha) | |
 |
Oh Cho-hee | ... | Tiffany (as Cho-hee Oh) |
| Lee Go-eun | ... | Hyo-jin (as Go-Eun Lee) | |
|
|
Kim Hyeong-min | ... | Kang Soo Hyuk (as Hyeong-min Kim) |
|
|
Lee Hyo-Je | ... | Kim Joon / Han Moo-chan |
| Kim Jae-young | ... | Leo / Kim Woo-sik (as Jae-young Kim) | |
| Kim Jeong-yeong | ... | Ha-ram's mother | |
|
|
Lee Kwan-hoon | ... | Chen (as Kwan-Hoon Lee) |
| Choi Myung-bin | ... | Kang Ha-Ram (young) | |
Produced by
| Jun Seok Choi | ... | production supervisor |
| Gun Hong Kim | ... | executive producer |
| Ryoon Hee Kim | ... | producer |
| Ho Sik Park | ... | executive producer (as Hosik Park) |
| Ju Sang Seo | ... | production supervisor |
Music by
| Nam Hye-seung | ||
Editing by
| Steve M. Choe | ||
| Kyoung-Yoon Choi | ||
Music Department
| Nam Hye-seung | ... | composer: additional music / composer: theme music / music editor / music supervisor |
| Yong Kim | ... | composer: additional music |