My Dear Enemy— Full Cast

Jeon Do-yeon

as Hee-soo

Ha Jung-woo

as Byoung-woon

Kim Hye-ok

as Mrs Han

Oh Ji-eun

as Se-mi

Choi Il-hwa

as Man at Cousin's House

Ki Joo-bong

as Man at Cousin's House

Jang So-yeon

as Eun-jeong

Jo Si-nae

as Professor

Kim Hee-jung

as So-yeon

Kim Joo-ryoung

as So-yeon's Mother

Kim Joong-ki

as Cousin

Kim Young-min

as Dae-hee

Go Seo-hee

as Notebook Lady

Park Hye-rim

as Female Parking Lot Worker

Jeong Woo-hyuk

as Racetrack Man