Forbidden Quest

Han Suk-kyu

as

Yun-seo

Kim Min-jung

as

Queen Jeong-bin

Lee Beom-soo

as

King Gwang-heon

Oh Dal-su

as

Hwang

Kim Roi-ha

as

Eunuch Jo

Kim Byeong-ok

as

Deputy prime m...

Ahn Nae-sang

as

King

Lee Soon-jae

as

Yun-seo's fath...

Oh Tae-kyung

as

Jeong-seo

Woo Hyeon

as

Transcriber

Hong Gyo-jin

as

Eunuch