Kim Soo-ro
Cheon Seong-geun
Kim Soo-ro
Cheon Seong-geun
Park Bo-young
Han Song-i
Lee Chan-ho
Ok Gi-ho
Kim Hyeong-beom
Cha Seung-ryong
Kim Ki-bang
Meok-tong
Park Jin-Taek
Jin-gook
Kim Yeong-ok
Seong-geun's Mother
Ha Jung-woo
Doctor
Jang Hee-Su
Gi-ho's Mother
Lee Yong-i
Eun-sil's Mother
Lee Hyung-Kwon
Vice-principal
Gong Ho-seok
Teacher Choi
Lee Han-wi
Principal
Kim Sung-ryung
President Lee
Moon Chae-won
Lee Eun-sil
Lee Min-ho
Oh Sang-hoon
Baek Sung-hyun
Baek Jung-goo
Lee Eon-jeong
Chemistry Teacher
Kim Byeong-ok
Publishing Company President
Kim Won-jin
Referee
Ji Hye-in
Ji Yeon
Son Min-ji
Interview Student 3
Park Kwang-chun
Director
Choi Yong-Gi
Producer
Choi Jin-won
Writer
Shin Min-Gyeong
Editor
Choi Man-Sik
Music
Choi Deok-Gyu
Cinematography
Lee Ja-Young
Costume Design
Kim Jae-keun
Lighting Coordinator
Park Jung-ryul
Martial Arts Choreographer
Lim Wang-sub
Stunts
Yook Kyung-sam
Line Producer
Kim Il-kwang
Digital Colorist
Lee Ji-yeon
Production Design