Shin Hye-sun
So Si-min
Shin Hye-sun
So Si-min
Lee Jun-young
Han Su-gang
Park Jung-woo
Ko Jin-hyoung
Park Hyeok-kwon
So Young-taek
Cha Chung-hwa
Lee Jae-gyeong
Lee Chan-hyeong
Lee Gwon-joong
Bae Hyeon-jun
Byeong-jin
Cha Woo-min
Lee Moon-gi
Kim Sang-woo
Park Jung-ho
Lee Tae-hee
Kim Jeong-gyu
Lee Tae-gyun
Byun Jae-hyeok
Kang Anna
Song Eun-gyo
Kang Na-ru
Min-ji
Son Sook
Jin-hyoung's Grandmother
Lee Gyu-hoe
Head Teacher
Lee Jung-ok
Seo Sang-woo
Dong Hyo-hee
English Teacher
Nam Jeong-woo
Math Teacher
Kim Gyeong-ryong
Principal
Lee Do-eun
Hye-gyeong
Park Jin-pyo
Director
Hyeon Choong-yeol
Writer
Yeoh Gee-na
Writer
Dalpalan
Original Music Composer
Kim Woo-hyun
Editor
Park Jin-pyo
Adaptation
Kwon Mi-kyung
Executive Producer
Jenna Ku
Co-Executive Producer
Lee Jun-sang
Producer
Kim Yong-seong
Director of Photography
Bae Il-hyuck
Lighting Director
Kim Hyeon-seo
Editor
Lee Mi-kyoung
Production Design
Im Ho-sang
Props
Ko Hee-jung
Costume Design
Park Hui-jeong
Makeup & Hair
Cho Woo-jin
Production Sound Mixer
Kim Chang-sub
Sound Supervisor
Jeon Gun-ik
Special Effects Supervisor
Heo Myeong-haeng
Martial Arts Choreographer
Yoon Seong-min
Martial Arts Choreographer
Kim Hyeok
VFX Supervisor
Shin Soon-ok
Production Design
Kim Jung-hyun
Comic Book