| Person | Type | Job | Role(s) |
|---|---|---|---|
 Dalpalan | Crew | Sound | Original Music Composer |
 Syd Lim | Crew | Production | Executive Producer |
 Cho Young-jik | Crew | Camera | Director of Photography |
Jung Hae-ji | Crew | Lighting | Lighting Director |
 Yang Jin-mo | Crew | Editing | Editor |
Hong Jang-pyo | Crew | Visual Effects | Special Effects Supervisor |
An Ji-hyeon | Crew | Costume & Make-Up | Costume Design |
Lee Sung-june | Crew | Sound | Sound Supervisor |
 Lee Na-gyeom | Crew | Art | Production Design |
 Bang Woo-ri | Crew | Directing | Director, Writer |
Yoon Na-yeon | Crew | Costume & Make-Up | Costumer |
Shin Soo-bin | Crew | Costume & Make-Up | Costumer |
Park Yea-ri | Crew | Costume & Make-Up | Makeup & Hair |
Shin Young-hoon | Crew | Crew | Martial Arts Choreographer |
 Yun Seok-jin | Crew | Crew | Martial Arts Choreographer |
Jang Eun-young | Crew | Crew | Post Production Supervisor |
 Lee Beom-soo | Cast | Actor | School Teacher |
 Jeong Seok-yong | Cast | Actor | Bo-ra's Father |
 Han Hyo-joo | Cast | Actress | Adult Na Bo-ra |
 Ryu Seung-ryong | Cast | Actor | Poong Woon-ho's Father |
 Park Hae-jun | Cast | Actor | Doctor at School Infirmary |
 Gong Myeong | Cast | Actor | Jung Woon-ho |
 Kim You-jung | Cast | Actress | Na Bo-ra |
 Jeon Hye-won | Cast | Actress | Darn It |
 Ong Seong-wu | Cast | Actor | Joseph / Poong Joon-ho |
 Byeon Woo-seok | Cast | Actor | Poong Woon-ho |
Bang Woo-ri | Cast | Actress | Yeon-du's Mother |
 Park Jung-woo | Cast | Actor | Baek Hyun-jin |
 Choi Kyo-sik | Cast | Actor | Mailman |
 Lee Woo-sung | Cast | Actor | Min Hong-gi |
 Kim Sung-kyung | Cast | Actress | Bo-ra's Mother |
 Shin Dong-ryeok | Cast | Actor | Mulberry Extract Vendor |
 Roh Yoon-seo | Cast | Actress | Kim Yeon-du |
 Kim Nu-rim | Cast | Actor | Dong-wook |
 Kang Chae-young | Cast | Actress | Bok-soon |
 Lee Cheon-mu | Cast | Actor | Bo-ra's Brother |
 Yoon Yi-reh | Cast | Actress | Madam |
 Jo Ji-hyeon | Cast | Actress | Teacher |
| Person | Type | Job | Role(s) |
