Générique complet
4th Period Mystery
유승호
Han Jung-hoon
강소라
Lee Da-jeong
조
조상근
Kim Tae-gyoo
전
전준홍
Byeong-soo
Jeong Seok-yong
Kang Gook-man
Park Cheol-min
Crazy
Lee Young-jin
Yun Sang-mi
김
김동범
Do-il
조윤희
Hong Ju-hee
이
이찬호
Tak Teuin
Min Kyung-jin
Headmaster
임수향
Fan
Kim Young-woong
History teacher
Jung Young-ki
Student in Grade 2 Class 5
오진하
Student in Grade 2 Class 5
최홍락
Student in Grade 2 Class 5
김민수
Virtual Criminal