Jeon Yeong

as Wall

as Ok-soon

as Kumho Station Resident 3

as Mal-soon

as Kiddo's Mother

as Maid

as Medical Director

as Doctor

as Cleaning staff

as Choi In-Sook

as Jang Seong-gu's mother

as Women's Assoc. President

as [Cafeteria staff]

as Realtor (Eps 6, 7)

as Lee Kyung-ja

as Real Estate Agent (Eps 1)

as Si-hyeon's maid

as Yogurt lady

as Eun-sil's mother