Park Soo-oh

as Seo Hyeon-min (1 episode)

as Han Gyu-seo (50 episodes)

as Han Gi-tae (1 episode)

as Yoon Seok-hoon (teen) (1 episode)

as Lee Min-Uk (10 episodes)

as Go Hwa-jin (2 episodes)

as Ha Seon-u (1 episode)

as Park Sang-Ho (10 episodes)

as Kang Hyun-woo (5 episodes)

as Lee Dong-woo

as Jae-min

as Lee Jun-Ho (8 episodes)

as Shin Tae-Yong (16 episodes)

as Kang Tae Oh

as Crown prince (20 episodes)

as Park Ru-oh (32 episodes)

as Young Gwi-soo

as Young Jo-ha

as Young In Han

as Prince Sin-seong

as Hyo-je