어쩌다, 결혼

김동욱

Sung-seok

Ko Sung-hee

Hae-joo

황보라

Mi-yeon

Kim Eui-sung

Chang-gyu

임예진

Hae-joo's mother

Yum Jung-ah

Mrs. Chun

한수현

Hae-joo's eldest brother

이채은

Oh Hye-jin

Woo-jin Jo

Mr. Seo

강신철

Lee Jae-young