| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Ji Chang-wook | Crew | Sound | Vocals | 20 |
 Kim Jin-woo | Crew | Creator | Creator, Director | |
 Lee Jung-sub | Crew | Directing | Director | 20 |
Song Ji-na | Crew | Writing | Writer, Creator | 20 |
 Tei | Crew | Sound | Vocals | 20 |
 Yael Meyer | Crew | Sound | Vocals | 20 |
 Yoo Ji-tae | Cast | Actor | Kim Moon-ho | 20 |
 Oh Kwang-rok | Cast | Actor | Ki Young-jae | 20 |
 Kim Mi-kyeong | Cast | Actress | Jo Min-ja | 20 |
 Park Won-sang | Cast | Actor | Jang Byung-se | 20 |
 Woo Hee-jin | Cast | Actress | Kang Min-jae | 20 |
 Do Ji-won | Cast | Actress | Choi Myung-hee | 20 |
 Park Sang-won | Cast | Actor | Kim Moon-shik | 20 |
 Jo Han-chul | Cast | Actor | Yoon Dong-won | 20 |
 Ji Il-ju | Cast | Actor | Seo Joon-Seok | 20 |
 Oh Jong-hyuk | Cast | Actor | Oh Gil-Han | 20 |
 Park Min-young | Cast | Actress | Chae Young-shin / Oh Ji-an | 20 |
 Jung Hye-in | Cast | Actress | Choi Myung-hee (young) | 20 |
 Son Seung-won | Cast | Actor | Kim Moon-Sik (young) | 20 |
 Jang Seong-beom | Cast | Actor | Lee Jong-Soo | 20 |
 Park Sang-wook | Cast | Actor | Bae Sang-soo | 20 |
Ji Chang-wook | Cast | Actor | Seo Jung-hoo | 20 |
 Song Ji-in | Cast | Actress | Jung-Hoo's mother (young) | 20 |
 Taemi | Cast | Actress | Kang Dae-yong | 20 |
Go Woo-rim | Cast | Actor | Seo Jung-hoo (child) | 20 |
 Jung Tae-Won | Cast | Actor | Kim Moon-ho (teen) | 20 |
 Shin Soo-yeon | Cast | Actress | Chae Young-shin (teen) | 20 |
 Park Shi Jin | Cast | Actor | Seo Jung-hoo (young) | 20 |
 Lee Hyun-gul | Cast | Actor | killer | 20 |
 Choi Seung-kyung | Cast | Actor | Reporter Yeo | 20 |
| Person | Type | Job | Role(s) | Episodes |
