| Person | Type | Job | Role(s) |
|---|---|---|---|
 Ha Jung-woo | Crew | Production | Executive Producer |
 Cha Hyun-woo | Crew | Production | Executive Producer |
 Kim Eun-hee | Crew | Writing | Screenplay |
 Kwon Sung-hui | Crew | Writing | Screenplay |
 Jang Won-seok | Crew | Production | Executive Producer |
Hong Jang-pyo | Crew | Visual Effects | Special Effects Supervisor |
Kim Ji-hoon | Crew | Production | Producer |
 Park Young-sik | Crew | Crew | Martial Arts Choreographer |
 Jang Hang-jun | Crew | Directing | Director, Adaptation |
Heo Sun-mi | Crew | Editing | Editor |
Yoo Young-chae | Crew | Production | Producer |
Gong Tae-won | Crew | Sound | Sound Supervisor |
Mun Yong-gun | Crew | Camera | Director of Photography |
Park Jin-ho | Crew | Editing | Digital Intermediate |
Nene Kang | Crew | Sound | Original Music Composer |
Choi Mi-yeon | Crew | Costume & Make-Up | Costume Design |
Park Yoon-ho | Crew | Production | Producer |
Park Ji-sung | Crew | Lighting | Lighting Director |
Lee Mi-kyoung | Crew | Art | Production Design |
Im Ho-sang | Crew | Art | Props |
Sin Eun-yeong | Crew | Costume & Make-Up | Makeup & Hair |
Kim Jung-hyun | Crew | Art | Set Decoration |
Ji Hyung-jin | Crew | Editing | Editor |
Park Beom-jun | Crew | Camera | Key Grip |
 Choi Jung-yoon | Cast | Actress | Gi-beom's Mother |
 Park Sang-myeon | Cast | Actor | 50s Man |
 Jang Hyun-sung | Cast | Actor | Yongsan High school coach |
 Ahn Jae-hong | Cast | Actor | Kang Yang-hyun |
 Jeong Jin-woon | Cast | Actor | Bae Gyu-hyuk |
 Kang Shin-chul | Cast | Actor | Teacher 2 |
 Lee Jun-hyeok | Cast | Actor | Teacher Lee |
 Kim Soo-jin | Cast | Actress | Gyu-hyuk's Mother |
 Lee Sang-won | Cast | Actor | Imho Middle School Coach |
 Ahn Ji-ho | Cast | Actor | Jung Jin-wook |
 Min Moo-je | Cast | Actor | Gi-beom's Father |
 Jung Gun-joo | Cast | Jung Kang-ho | |
 Kang Ae-sim | Cast | Actress | Principal's Wife |
 Lee Sin-young | Cast | Actor | Cheon Gi-beom |
 Park Jae-min | Cast | Actor | Sportscaster |
 Bae Seong-il | Cast | Actor | Teacher 1 |
 Song Chang-gyu | Cast | Actor | Teacher 4 |
 Kim Min | Cast | Actor | Heo Jae-yoon |
 Kim Taek | Cast | Actor | Hong Sun-gyu |
 Jeon Yeong | Cast | Actress | Doctor |
 Baek Do-kyeom | Cast | Actor | Referee |
| Person | Type | Job | Role(s) |
