Kim Seon-a

Character: Chun Jae-in

Gong Yoo

Character: Kang No-young

Nam Sang-mi

Character: Seung-hee

Kim Sang-ho

Character: Detective Kang

Noh Joo-hyun

Character: Detective Chun

Hong Soo-ah

Character: Jo Hye-ryung

Oh Kwang-rok

Character: Bae Doo-sang

Moon Seo-yeon

Character: So-young

Park Sang-myeon

Character: Class Teacher

Kim Kap-soo

Character: Cha Young-jae

Ha Jung-woo

Character: Detective Cho

Choi Bool-am

Character: Chief Prosecutor

Lee Beom-soo

Character: Math Teacher

Kim Ji-woo

Character: Ja-gyeong

Cha Ah-reum

Character: