Park Yong-woo

Detective Kang

Namkoong Min

Min-woo

Wang Ji-hye

Soo-yeon

Lee Ki-young

Lee Ki-chul

Kim Dong-ha

Jo Sang-tae

Kim Eung-soo

Chief Detective

Oh Jung-se

Yoo Chang-won

Kim Byeong-ok

Suk-jae

Lee Jae-gu

Doctor

Park Byung-eun

Detective Min

Jeong Gi-seop

Det. Kam Chal-ban

Jo Kyung-sook

Exam Studying Area Woman

Yoo Ha-bok

Detective

Lee Seung-won

Police Officer

Lim Jeong-woon

Police Officer

Jeon Jin-gi

Detective Lee

Jeong Ae-hwa

Yogurt Drink Saleswoman

Jung Mi-nam

Detective Kang's Father

Kim Kwang-shik

Detective Ahn