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