Kim Min-hyukDetective Kim Kwon Nam-heegirl's mother Jeong Dong-gyooSe-Hee's father Nam Kyung-eupDetective Jang Min Younghomeroom teacher (uncredited) Han Ye-Nateacher (uncredited) Joo Ha-rinJane Doe [Old Woman with Perm] Choi Kwan-youngScenariusz Cha Ji-hyunExecutive Producer Billy AcumenExecutive Producer Lee Yo-hanProduction Design Kim Gi-taeDirector Of Photography Chae Kyung-hwaCostume Design Lee Seung-chulSound Supervisor 
