Forbidden Quest: Cast
Han Suk-kyu
Yun-seo
Kim Min-jung
Queen Jeong-bin
Lee Beom-soo
King Gwang-heon
Oh Dal-su
Hwang
Kim Roi-ha
Eunuch Jo
Kim Byeong-ok
Deputy prime minister
Ahn Nae-sang
King
Lee Soon-jae
Yun-seo's father
Oh Tae-kyung
Jeong-seo
Woo Hyeon
Transcriber
Hong Gyo-jin
Eunuch