On Your Wedding Day— Full Cast

Park Bo-young

as Hwan Seung-hee

Kim Young-kwang

as Hwang Woo-yeon

Kang Ki-young

as Ok Geun-nam

Ko Kyu-pil

as Gu Kong-ja

Jang Seong-beom

as Choi Soo-pyo

Cha Yeob

as Lee Taek-gi

Seo Eun-soo

as Park Min-kyung

Bae Hae-seon

as Seung-hee's Mother

An Kil-kang

as Woo-yeon's Father

Shin So-yul

as So-jung

Song Jae-rim

as Yoon-geun

So Hee-jung

as Woo-yeon's Mother

Lim Hyung-jun

as Mr. Bae

Kim Hyun-sook

as Ms. Min

Min Chae-yeon

as Boarding Student