Bubblegum

Lee Dong-wook

Park Ri-hwan

Acting

Jung Ryeo-won

Kim Haeng-ah

Acting

Lee Jong-hyuk

Kang Suk-joon

Acting

Park Hee-bon

Lee Seul

Acting

Park Cheol-min

Kim Joon-hyuk

Acting

Bae Jong-ok

Park Sun-young

Acting

Kim Jung-nan

Oh Se-young

Acting

Park Joon-geum

Yi-seul's mother

Acting

Lee Seung-joon

Kwon Ji-hoon

Acting

Park Won-sang

Jo Dong-il

Acting

An Woo-yeon

Ye Joon-soo

Acting

Kim Sa-Kwon

Hong Jung-woo

Acting