
Based on actual events that took place at Gwangju Inhwa School for the hearing-impaired, where young deaf students were the victims of repeated sexual assaults by faculty members over a period of five years in the early 2000s.

as Kang In-ho

as Seo Yoo-jin

as Kim Yeon-doo

as Jin Yoo-ri

as Jeon Min-soo

as Principal / Principal's Brother

as Yoon Ja-ae

as Park Bo-hyeon

as Young-hoon

as Attorney Hwang

as Prosecutor

as Judge

as Police Officer Jang

as Principal's Wife

as In-ho's Mother

as Sol-yi

as Young-soo

as Auto Repair Shop Owner

as Professor Kim Jung-woo

as Hostess 2

as Courtroom Sign Language Interpreter

as School Custodian

as Broadcasting Station PD

as Publishing Company Employee