Kang Ye-won as Kang Su-a

Lee Sang-yun as Na Nam-su

Choi Jin-ho as Jang Hyung-sik

Ji Dae-han as Kang Byung-joo

Kim Jong-soo as Director Cha

Cheon Min-hui as Mi-ro

Lee Hak-ju as Dong-sik

Jang Tae-seong as Depeartment Head Gu

Yoo Gun as Woo-jin

Choi Youn-so as Ji-young

Jo Jae-yun as Detective Park

Kil Hae-yeon as Su-a's mother

Kim Han-jong as Balbari

Kim Won-jung as Section Cheif Kim

Park Se-jin as (uncredited)

Lee Kyu-ho as Camera