Cast & crew
Missing Nine · Season 0
Nobody is recorded for this season on its own, so this is the whole show's cast.
Directed by Choi Byeong-gil Written by Son Hwang-Won, Han Jung-hoon
Cast
| Ryu Won | So |
| Oh Jung-se | Joon-pyo |
| Tae Hang-ho | Hang |
| Min Sung-wook | Oh Choon-Bae |
| Choi Tae-joon | Choi |
| Chanyeol | Lee |
| Baek Jin-hee | Ra |
| Yang Dong-geun | young Bell |
| Lee Sun-bin | Jee-ah |
| Jung Kyung-ho | Joon-pyo |
| Kim Sang-ho | Kook |
| Song Ok-suk | Lim Hee-kyung |
| Shin Dong-hoon | Newsroom Reporter |
| Baek Jin-hee | Ra Bong-Hee |
| Jung Kyung-ho | Seo Joon-Oh |
| Choi Tae-joon | Choi Tae-Ho |
| Oh Jung-se | Jung Ki-Joon |
| Lee Sun-bin | Ha Ji-Ah |
| Tae Hang-ho | Tae Ho-Hang |
| Kim Sang-ho | Hwang Jae-Kook |
| Chanyeol | Lee Yeol |
| Ryu Won | Yoon So-hee |
| Yang Dong-geun | Yoon Tae-Young |
| Song Ok-suk | Jo Hee-Kyung |
| Min Sung-wook | Investigator Oh |
| Shin Dong-hoon | Reporter |
Crew
| Chen | Theme Song Performance |
| Son Hwang-Won | Writer |
| Han Jung-hoon | Writer |
| Choi Byeong-gil | Director |
| Chen | Theme Song Performance |
| Bae Jin Young | Theme Song Performance |
| Son Hwang-Won | Writer |
| Choi Byeong-gil | Director |
| Han Jung-hoon | Writer |