Insane

Kang Ye-won

Kang Su-a

Lee Sang-yun

Na Nam-su

Choi Jin-ho

Jang Hyung-sik

Ji Dae-han

Kang Byung-joo

Kim Jong-soo

Director Cha

Cheon Min-hui

Mi-ro

Lee Hak-ju

Dong-sik

Jang Tae-seong

Depeartment Head Gu

Yoo Gun

Woo-jin

Choi Youn-so

Ji-young

Jo Jae-yun

Detective Park

Kil Hae-yeon

Su-a's mother