Cast
Park Jeong-min
Hak-soo
Kim Go-eun
Sun-mi
Jang Hang-seon
Hak-soo's Father
Go Joon
Yong-dae
Shin Hyun-been
Mi-kyung
Jeong Gyu-su
Sun-mi's Father
Kim Jun-han
Won-joon
Jeong Seon-cheol
Joong-sik
Bae Je-gi
Sang-ryul
Lee Jung-hyun
Alumni
Shin Mun-sung
Police Officer
Im Sung-jae
Hak-gi
Bek Hyun-jin
Bang-baek
Kim Se-gyeom
Patient
Bae Young-ran
Hye-ok
Choi Jung-hun
Goo-bok
Yoo Young-bin
Rapper
Song Duk-ho
Rapper
Lee Seung-hun
Gold Medal
Park Soo-yeon
Student
Jo Ha-seok
Teacher
Ha Hyun-soo
Classmate
Crew
Shin Young-hoon
Martial Arts Choreographer
(Crew)
Cheong Jai-hoon
VFX Supervisor
(Visual Effects)
Lee Hye-min
Colorist
(Editing)
Kim Nam-ho
Set Decoration
(Art)
You Cheong
Props
(Art)
Huh Dong-hyuck
VFX Supervisor
(Visual Effects)
Lee Joon-ik
Director
(Directing)
Bang Jun-seok
Original Music Composer
(Sound)
Choi Tae-young
Sound Supervisor
(Sound)
Kim Jung-hoon
Editor
(Editing)
Kim Se-gyeom
Writer
(Writing)
Lee Eui-tae
Director of Photography
(Camera)
Lee Jae-sung
Production Design
(Art)
Cho Tae-hee
Makeup & Hair
(Costume & Make-Up)
Kim Jin-sun
Executive Producer
(Production)
Sean Kim
Producer
(Production)
Choi Mi-yeon
Costume Design
(Costume & Make-Up)
Bek Hyun-jin
Original Music Composer
(Sound)
Chung Min-joo
Dialogue Editor
(Sound)
Yoo Huck-jun
Lighting Director
(Lighting)
Min Seong-ae
Still Photographer
(Camera)
Kim Yu-jin
Boom Operator
(Sound)
Kim Yong-gu
Production Sound Mixer
(Sound)
Jung Gwi-ho
Camera Operator
(Camera)
Ahn Deok-jin
Art Direction
(Art)