Mun Ka-young
Jo Seo-hyun

Oh Kwang-rok
Chief Detective

Oh Youn-hong
Sun-gi's wife

Kim Ji-young
Young Jo Seo-hyun

Jeon Su-ah
Immature Mother

Han Hee-jung
Neighbor Woman
Park Moon-a
Yoo Seo-hyun

Lee Yong-nyeo
Doctor

Lee Sang-hoon
Internet technician

Seo Jin-won
Editor