Yoon Sang-hyun

Soo-kyo

Hwang Chan-seong

Soo-geun

Lee Kwang-soo

Constable Park

Song Sae-byuk

Dong-soo

Lee Ji-yeon

Teacher Hong

성병숙

Mother

Kim Ji-min

Soo-jung

Yun Yeong-keol

Choong-sik

강석원

Fellow Detective