Lee Seo-jin

as Yi San

77 episodes

Han Ji-min

as Seong Song-yeon

77 episodes

Lee Soon-jae

as King Yeongjo

77 episodes

Kyeon Mi-ri

as Lady Hyegyeong

77 episodes

Sung Hyun-ah

as Princess Hwawan

77 episodes

Kim Yeo-jin

as Queen Jeongsun

77 episodes

Park Eun-hye

as Queen Hyoui

77 episodes

Lee Jong-soo

as Park Dae-su

77 episodes

Han Sang-jin

as Hong Guk-yeong

77 episodes

David Lee

as Prince Euneon

77 episodes

Lee Jae-yong

as Jang Tae-woo

77 episodes

Park Ji-bin

as Yi San (young)

77 episodes

Jo Yeon-woo

as Jeong Hoo-kyeom

77 episodes

Cha Woong-ki

as Crown prince Moon-hyo

77 episodes

Son Il-kwon

as Oh Jung-ho

77 episodes