Park Hyo-joo
Hae-young
Jae-ha
Pyo Sang-woo
Jae-ha's father
Lee Jong-chan
vice-principal
head teacher
Lesson teacher
Chairman
Yoo Jong-Ki
Lee Yoon-mi
Key Grip
Special Effects Supervisor
Production Sound Mixer
Set Decoration
Director
Screenplay
Producer
Director of Photography
Co-Executive Producer
