Kadro (15)
Kim Ha-neulMin Soo-ah
Yoo Seung-hoKwon Gi-sub
Jo Hee-bongDetective JoYang Yeong-JoMyung-jin
Kim Mi-kyeongSchool Director
Park Choong-seonDetective Chief
Park Bo-gumMin Dong-hyunSa-HeeJeong-yeon
Kim Kyung-ikDoctor
Choi PhillipDetective from Information SectionWon Pung-YeonDetective 1Choi Eun-sukDetective 2
Oh Dae-hwanDetective 3Jun Joo-WooDetective 4
Song Min-jiMin-joo