Jeon Do-yeon

Kim Hee-su

Ha Jung-woo

Jo Byeong-woon

Dong-won Seo

Man at Cousin's house

Eun-yong Yang

Hee-su's colleague

Hee-jung Kim

So-yeon

Kim Hye-Ok

Mrs Han

Han Hyo-joo

Woman at bus stop

Il-hwa Choi

Man at Cousin's house

Ji-eun Oh

Se-mi

Kim Joo-Ryung

So-yeon's mother

Gi Ju-bong

Man at Cousin's house

Jung-ki Kim

Cousin

Min-Young

Racetrack Staff

Hye-rim Park

Female parking lot worker

Seo-hie Ko

Notebook Lady

Kim Seung-hun

Mr. Kang

Si-nae Jo

Professor

Jang So-yeon

Eun-jeong