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

Lee Bong-gyu

Kim Seung-o

(uncredited)

Choi Sun-ja

Lee Na-ra

Kang Han-gyeol Mother

Kim Gyeong-mi

Writer

Seigo Hatasawa

Novel

Kim Tae-seong

Original Music Composer

Kim Tae-yeong

Production Design

Lee Sung-jin

Sound Supervisor

Shin Min-kyung

Editor

Lee Seung-chul

Supervising Sound Editor

Yoon Jong-han

Lighting Director

Son Eun-ju

Makeup & Hair

Lee Chang-jae

Director of Photography

Kim Nam-ho

Set Decoration

Lee Sang-jun

Production Sound Mixer

Cho Hee-ran

Costume Design

Choi Jung-in

Original Music Composer

Yu Young-ah

Writer

Kim Ho-sung

Executive Producer

Masaki Koide

Co-Producer

Kim Chul-jun

Martial Arts Choreographer

Lee Bok-seon

Line Producer

Park Jin-young

Digital Intermediate

Yoon Dae-won

Special Effects Supervisor

Ryu Yeon

Digital Intermediate Producer

Yang Il-seok

VFX Supervisor

Park Si-hwan

CGI Director

Kwon Byung-soo

Camera Operator

Jeon Seung-hwan

Grip

Jin Il-kyu

Producer

Lee Soo-nam

Executive Producer

Kim Ji-hoon

Director

Cho Hye-jeong

Line Producer

Park Sang-hee

Art Designer