Trailer
 | Lee Hye-ri as Pil-sun |
 | Park Se-wan as Mi-na |
 | Lee Jung-ha as Chi-hyung |
 | Jo A-ram as Se-hyun |
 | Choi Ji-su as So-hee |
 | Baek Hi as Soon-jung |
 | Kwon You-na as Yong-soon |
 | Yeom Ji-young as Sang-mi |
 | Lee Han-joo as Yu-ri |
| Park Hyo-eun as Ji-hye |
 | Lee Chan-hyeong as Dong-hyun |
 | Hyun Bong-sik as Woo-yong |
 | Lee Mi-do as Korean Teacher |
 | Ji Su-yeon as Hyundai Joongang High Cheerleader |
 | Ju Jin-mo as Principal |
| Son Byeong-uk as Dean of Students |
 | Lee Si-hoon as Soccer Coach Oh |
 | Seo Soo-hee as Yeon-woo |
| Kong Hoon as English Teacher |
 | Han Jong-hoon as Kim Hyung-woo |
 | Yoon Dae-yeul as Hit Entertainment Producer |
| Oh Jun-hyeok as Hyundai Joongang High Coah |
 | Cha Joo-wan as Jin-tak |
 | Jung Da-jung as Sun-hye |
 | Cho Kang-hyuk as Soccer Player |
 | Cho Mi-yeon as New Audition Student |
 | Im Jeong-gyu as Busan Male Student |
| Directing | |
| Park Beom-su | Director |
Writing | |
| Park Beom-su | Writer |
Visual Effects | |
| Hong Jang-pyo | Special Effects Supervisor |
Camera | |
| Park Jung-hun | Director of Photography |
Art | |
| Jang Seok-ho | Props |
Sound | |
| Kim Dong-wook | Original Music Composer |
| Park Yong-ki | Sound Supervisor |
Lighting | |
| Lee Jun-il | Lighting Director |
Editing | |
| Jang Lae-won | Editor |
Art | |
| Lee Bong-hwan | Production Design |
Crew | |
| Lim Hyo-woo | Martial Arts Choreographer |
Sound | |
| Park Jin-hong | Sound Supervisor |
Art | |
| Kim Hak-hyun | Set Decoration |
Visual Effects | |
| Kim Jung-min | VFX Supervisor |
Sound | |
| Han Cheol-hui | Production Sound Mixer |
Directing | |
| Yoon Jung-jin | Assistant Director |
Editing | |
| Eom Tae-sik | Digital Intermediate |
Costume & Make-Up | |
| Son Eun-ju | Makeup & Hair |
| Park Yoo-gyeong | Costume Design |
Production | |
| Bae Sun-hye | Associate Producer |
| Lee An-na | Producer |
| Lee Young-han | Co-Producer |
| Kim I-da | Co-Producer |
Visual Effects | |
| Choi Jae-young | VFX Artist |
