Park Ha-seon

as Dong-joo

Yoon Sang-hyun

as Shin-heung

Im Jung-eun

as Bo-ra

Choi Jin-hyuk

as Min-soo

Park Cheol-min

as Dr. Mok

Jang Kwang

as CEO Gong

Kim Sun-young

as Lee Hyung-ja

Kim Hae-sook

as Dong-joo's mother

Song Sae-byuk

as Hyung-ja's husband

Ahn Nae-sang

as street stall customer

Jo Byung-Gi

as high school teacher

Lee Si-hoon

Kim Byeong-ok

Lee Seung-hun

Han Yeo-wool

as Bride