Lee Ji-hae

as Detective Oh's Wife

as Seo Jun-mo

as Kang Seo-jun's mother

as Ki-joon's sister 2

as Song Ji-yeong

as Lee Gyeong-Hui (Eps 12)

as Detective Park's Wife

as Director Jeong

as [Ma Ru's mother]

as Kim Su-ae

as [Yook Jung Hwan's mother]

as Lee Myeong-ju

as [Employee]

as Mae Hyang

as [Book signing parent]

as Park Soo-yeon

as Kim So Hyung [Joon's tutor]

as Self

as Jo Seung Kyung

as Lee Ji Hae

as [Pregnant bus passenger]