Ji-woo, an outcast at a prestigious private school, meets Hak-sung, the school janitor who is actually a mathematical genius who defected from North Korea.
4.0 / 5
Choi Min-sik
Ri Hak-sung
Kim Dong-hwi
Han Ji-woo
Park Hae-joon
Ahn Gi-chul
Park Byung-eun
Kim Geun-ho
Jo Yoon-seo
Park Bo-ram
Tang Joon-sang
Tae-yeon
Kim Won-hae
Park Pil-joo
Ju Jin-mo
Professor Oh
Kim Hee-jung
Bo-ram's Mother
Kang Mal-geum
Ji-woo's Mother
Joo Ye-rin
Korean Teacher
Jung Seung-kil
NIS Agent
Shin Jae-hwi
Student 5
Kang Joon-kyu
Ui-joon
Kim So-suk
Principal
Choi Jae-sup
Hanbok Teacher
Ro Jong-hyun
Ddal-bong
Kim Sun-min
Editor
Kim Tae-yeon
Costume Design
Kang Dae-hui
Lighting Director
Cho Tae-hee
Makeup & Hair
Lee Ji-soo
Original Music Composer
Choi Hyo-sun
Props
Kim Yeong-hui
Production Design
Jeon Gun-ik
Special Effects Supervisor
Park Hong-yeol
Director of Photography
Lee Seung-yeop
Sound Supervisor
Kim Yong-ho
Martial Arts Choreographer
Ha Jung-wan
Executive Producer
Go Jun-yeong
Production Sound Mixer
Yoon Choong-yeol
VFX Supervisor
Kim Do-su
Yi Jae-min
Line Producer
Kim Tae-eui
Lee Gi-seok
Set Decoration
Lee Jeong-hyeon
Art Direction
Kim Ji-min
Digital Intermediate
Park Dong-hun
Director
Lee Eun-Song
Park Seong-hyeon
Compositing Artist
Kim Yong-u
CGI Director
Song Kyung-min
Key Grip
Chae Jeong-seok
"B" Camera Operator
Lee Yong-jae
Writer
Hwang Jae-soon
Producer
Lee Jae-woo
Co-Executive Producer
