Lee Si-young as Ji-yoon

Uhm Ki-joon as Detective Lee Ki-cheol

Hyun Woo as Kim Young-soo

Kwon Hae-hyo as Jo Sun-gi

Kim Do-young as Seo Mi-sook

Kim So-hyun as Young Mi-sook

Mun Ka-young as Jo Seo-hyun

Oh Kwang-rok as Chief Detective

Kim Ji-young as Young Jo Seo-hyun

Jeon Su-ah as Immature Mother

Han Hee-jung as Neighbor Woman

Park Moon-a as Yoo Seo-hyun