Mister Mama

Choi Min-soo

Hyung-joon

Choi Jin-sil

Young-joo

Kim Se-jun

Hae-suk

Lee In-chul

Senior Director

Kim Il-woo

Mr. Lee

Park Hye-ran

Sang-ah's mother

Lee Hae-ryong

Young-joo's father

Hong Yun-jeong

Young-joo's mother

Kim Suk-ok

Sang-ah's grandmother

Park Yae-sook

Childminder

Ra Kap-sung

Guard

Hong Chung-Gil

Taxi driver

Goo Bon-im

Sang-ah's friend

Kang Seong-jin

Waiter

Kang Myeong-ja

Childminder