Park Si-hoo
Kim Seung Yoo
Moon Chae-won
Lee Se Ryung
Hong Soo-hyun
Princess Kyung Hye
Song Jong-ho
Shin Myeon
Lee Min-woo
Jeong Jong
Lee Soon-jae
Kim Jong Seo
Kim Yeong-cheol
Prince Suyang
Uhm Hyo-seop
Yi Gae, Seung-yoo, Jong and Myeon's former teacher
Kim Yoo-bin
Kim Ah-kang
Choi Mu-sung
Ham-gwi
Choi Han-bit
Moo-yeong
Cha Min-jee
Yeo-ri
Lee Hyo-jeong
Shin Sook-joo
Ban So-young
Eun Geum [Lady-in-waiting]
