Dong Yi

Han Hyo-joo

as

Dong Yi

Park Ha-seon

as

Queen Inhyeon

Jeong Dong-hwan

as

Oh Tae-suk

Ji Jin-hee

as

King Sukjong

Lee So-yeon

as

Jang Hee-Bin

Bae Soo-bin

as

Cha Jeon-Soo

Jung Jin-young

Kim You-jung

as

Dong Yi (young)

Lee Kwang-soo

as

Yeong-dal

Kim Dong-yoon

as

Shim Woon-taek

Yeo Hyun-soo

as

Ge Dwo-ra

Oh Yeon-seo

as

Queen Inwon

Choi Cheol-ho

as

Oh Yun

Nam Da-reum

as

Prince Eunpyeo...

Jeong Yu-mi

as

Jung Eum

Kwon Hae-sung

as

Cha Soo-taek

Kim Woo-seok

as

[Servant]

Park Jung-soo

as

Queen Myeongse...