Lee Je-hoon

Gi-tae

Seo Jun-young

Dong-yoon

Park Jeong-min

Hee-joon

Cho Seong-ha

Father

Lee Cho-hee

Se-jeong

Bae Je-gi

Jae-ho

Kim Lok-kyoung

Hyeon-soo

Heo Ji-won

Ji-won

Shin Un-seop

Detective

Jeon Min-hyun

Lego

Min Jong-gi

Raccoon

Jang Dae-yun

Teacher

Yoo Ann

Dong-yoon's mother

Yoon Yeong-seop

Se-jeong's father

Kang Bong-sung

Teacher

Yoon Sung-hyun

Director

Yoon Sung-hyun

Writer

Kwon Gwi-deok

Martial Arts Choreographer

Lee Seok-sool

Assistant Director

Kang Bong-sung

Production Sound Mixer

Lee Seung-chul

Sound Supervisor

Byun Bong-sun

Director of Photography

Yoon Sung-hyun

Editor

Yoon Sung-hyun

Costume Design

Jang Hyeon-su

Producer

Ray L. Hong

Line Producer

Kang Yeong-su

Production Design

Park Min-jun

Original Music Composer

Song Hyun-suk

Lighting Director

Kim Soo-hyun

Sound Designer

Park Ki-yong

Executive Producer