My Dear Enemy

Jeon Do-yeon

Hee-soo

Ha Jung-woo

Byoung-woon

Kim Hye-ok

Mrs Han

Oh Ji-eun

Se-mi

Choi Il-hwa

Man at Cousin's house

Ki Joo-bong

Man at Cousin's house

Jang So-yeon

Eun-jeong

Jo Si-nae

Professor

Kim Hee-jung

So-yeon

Kim Joo-ryoung

So-yeon's mother

Kim Joong-ki

Cousin

Kim Young-min

Dae-hee - Hong-ju's husband

Go Seo-hee

Notebook Lady

Park Hye-rim

Female parking lot worker

Jeong Woo-hyuk

Racetrack Man

Han Hyo-joo

A woman at a bus stop

Min Young

Racetrack Staff