이태리

Mok-won

Prince Lee

Sung-chan

Kang Seung-bum

-

Jo Sang-gil's son

Leon

Hae Cheon-bi

Cha Gi-hyuk

Park Chul-min

Young In-ki

-

민우

Eun Ryong

김정배

Wang Hyun Bin [Joo Gyung's crush]

Sun Jong [Young]

[Child actor filming a public service announcement with Joo Hyun

Prince Bongrim

Prince Yang Nyeong

Kim Wook

Ma Hyun Bin

King Woo

Park Nam-sang

Prince Yeon Ing [Future Yeong Jo]

Chae Ji-min

Bok Soo

Imugi

Crown Prince Hwangwon

Yeong Jo [Young]

Prince Eun San

Jung Joo-hwan

Romoyuki [Broker/Host]

Go Do Ri [Webtoon Artist]

Song Woo Jae [Eun Jae's brother]

李顺才(少年)

Lee Ye Joon

Song Man-bo

Park Hee-chul

Moon Jung Won

Yang-myung (young)

Jo Jung Kyu

Bong Chang

Do Joon-Ong

Jin Soo

Ha Seung Joon

Lee Won

Ga-on

-

Moon Ki Joon

Dong Hyun