블라인드

김하늘

Min Soo-ah

유승호

Kwon Gi-sub

조희봉

Detective Jo

Yang Yeong-Jo

Myung-jin

김미경

School Director

박충선

Detective Chief

박보검

Min Dong-hyun

Sa-hee

Jeong-yeon

김경익

Doctor

최필립

Detective from Information Section

원풍연

Detective 1

최은석

Detective 2