Lee Dong-wook
Park Ri-hwan
Jung Ryeo-won
Kim Haeng-ah
Lee Jong-hyuk
Kang Suk-joon
Park Hee-von
Lee Seul
Park Cheol-min
Kim Joon-hyuk
Bae Jong-ok
Park Sun-young
Kim Jung-nan
Oh Se-young
Park Joon-geum
Yi-seul's mother
Lee Seung-joon
Kwon Ji-hoon
Park Won-sang
Jo Dong-il
An Woo-yeon
Ye Joon-soo
Kim Sa-Kwon
Hong Jung-woo
Kim Ri-na
No Tae-Hee
Han Seo-jin
Kim Haeng-A (7 years old)
Go Bo-gyeol
No Dong-Hwa
Seo Jeong-yeon
Aunt Gong Joo
Yoon Chan-young
Park Ri-Hwan (15 years old)