Lee Dong-wook
Park Ri-hwan (16 eps)
Jung Ryeo-won
Kim Haeng-ah (16 eps)
Lee Jong-hyuk
Kang Suk-joon (16 eps)
Park Hee-von
Lee Seul (16 eps)
Park Cheol-min
Kim Joon-hyuk (16 eps)
Bae Jong-ok
Park Sun-young (16 eps)
Kim Jung-nan
Oh Se-young (16 eps)
Park Joon-geum
Yi-seul's mother (16 eps)
Lee Seung-joon
Kwon Ji-hoon (16 eps)
Park Won-sang
Jo Dong-il (16 eps)
An Woo-yeon
Ye Joon-soo (16 eps)
Kim Sa-Kwon
Hong Jung-woo (16 eps)
Kim Ri-na
No Tae-Hee (16 eps)
Han Seo-jin
Kim Haeng-A (7 years old) (16 eps)
Go Bo-gyeol
No Dong-Hwa (16 eps)
Seo Jeong-yeon
Aunt Gong Joo (16 eps)
Yoon Chan-young
Park Ri-Hwan (15 years old) (16 eps)