Discover
Sul Kyung-gu
Kang Ho-chang
Chun Woo-hee
Song Jung-wook
Moon So-ri
Gun-woo's mother
Oh Dal-su
Do Ji-yeol
Ko Chang-seok
Teacher Jung
Kang Shin-il
Principal
Sung Yu-been
Kang Han-gyeol
Nam Kee-ae
Gyu-beom's grandmother
Lee Mi-eun
E-den's mother
Yoo Jae-sang
Gun-woo
Jung Yoo-ahn
Yoon-jae
Jeong Taek-hyeon
E-den
Roh Jeong-eui
Ji-ho
Jung Seung-kil
Police
Kim Seung-o
(uncredited)
Crew
Kim Chul-jun
Martial Arts Choreographer
Directing
Kim Ji-hoon
Director
Editing
Lighting
Yoon Jong-han
Lighting Director
Production
Kim Ho-sung
Executive Producer
Masaki Koide
Co-Producer
Lee Bok-seon
Line Producer
Jin Il-kyu
Producer
Lee Soo-nam
Executive Producer
Cho Hye-jeong
Line Producer
Sound
Kim Tae-seong
Original Music Composer
Lee Sung-jin
Sound Supervisor
Lee Seung-chul
Supervising Sound Editor
Lee Sang-jun
Production Sound Mixer
Choi Jung-in
Original Music Composer
Crew
Kim Chul-jun
Martial Arts Choreographer
Directing
Kim Ji-hoon
Director
Editing
Lighting
Yoon Jong-han
Lighting Director
Production
Kim Ho-sung
Executive Producer
Masaki Koide
Co-Producer
Lee Bok-seon
Line Producer
Jin Il-kyu
Producer
Lee Soo-nam
Executive Producer
Cho Hye-jeong
Line Producer
Sound
Kim Tae-seong
Original Music Composer
Lee Sung-jin
Sound Supervisor
Lee Seung-chul
Supervising Sound Editor
Lee Sang-jun
Production Sound Mixer
Choi Jung-in
Original Music Composer