김명민

Yun-gyeom

김인권

Seong-han / Mulgoe (voice)

Lee Hye-ri

Myeong-i

Choi Woo-shik

Royal Court Officer Heo

Lee Kyung-young

Sim-un

Park Hee-soon

King Jung-jong

박성웅

Jin-yong

Lee Do-gyeong

Grandpa Song

이규복

Mo-gae

Kim Joong-hee

Mak-gae

김강일

First Vice-Premier

조원희

Second Vice-Premier

Jang Yong-bok

Court Minister

Yun Hui-su

Kang-nyeo

한소영

Myeong-i's Mom

Joo Ye-rim

Young Myung

Kang Tae-young

In Duk

Hong Ji-yoon

Mother