Lee Tae-ri

as Park Seongmin

as Lee Won

as Kim Wook

as Park Nam-sang

as Prince Yang Nyeong

as Ma Hyun Bin

as Wang Hyun Bin [Joo Gyung's crush]

as Imugi

as Prince Lee

as Prince (uncredited)

as Chae Ji-min

as Go Do Ri [Webtoon Artist]

as 민우

as Moon Jung Won

as Hae Cheon-bi

as Jung Joo-hwan

as Leon

as Song Woo Jae [Eun Jae's brother]

as Romoyuki [Broker/Host]

as Lee Ye Joon

as Kang Seung-bum

as Prince Bongrim

as Dong Hyun

as Mok-won

as Park Hee-chul

as Crown Prince Hwangwon

as Cha Gi-hyuk

as King Woo

as Song Man-bo

as Jo Sang-gil's son

as Yang-myung (young)

as Moon Ki Joon

as Yeong Jo [Young]

as Bok Soo

as Jo Jung Kyu

as Park Chul-min

as Jin Soo

as Sung-chan

as Do Joon-Ong

as 李顺才(少年)

as Bong Chang

as Ga-on

as Eun Ryong

as Prince Yeon Ing [Future Yeong Jo]

as [Child actor filming a public service announcement with Joo Hyun

as Young In-ki

as Sun Jong [Young]

as Prince Eun San

as Ha Seung Joon

as 김정배