로맨틱 헤븐

Kim Ji-won

Mimi

김동욱

Ji-wook

김수로

Min-gyu

Shim Eun-kyung

Boob-I

Kim Mu-yeol

Dong Chi-sung

Yu Seon

Yum Kyung-ja

Im Won-hee

Detective Kim

Lee Han-wi

Civil Servant

공호석

Judge

Lee Na-ra

Yoon-joo

이순재

God

전양자

Grandmother

김동주

Mimi's mother

이문수

Ha-yeon's father

김병옥

Manhole

Kim Won-hae

Detective Park

Lee Yong-i

Boob-I (old)

김재건

Grandfather

Lee Cheol-min

Eung-sik

한재석

Stoker

Kim Joon-bae

Jang Heo-soo

Jeong Gyu-su

Doctor