Kim Myung-min as Yun-gyeom

Kim In-kwon as Seong-han / Mulgoe (voice)

Lee Hye-ri as Myeong-i

Choi Woo-shik as Royal Court Officer Heo

Lee Kyung-young as Sim-un

Park Hee-soon as King Jung-jong

Park Sung-woong as Jin-yong

Lee Do-gyeong as Grandpa Song

Lee Kyu-bok as Mo-gae

Kim Joong-hee as Mak-gae

Kim Kang-il as First Vice-Premier

Cho Won-hee as Second Vice-Premier

Jang Yong-bok as Court Minister

Yun Hui-su as Kang-nyeo

Han So-yeong as Myeong-i's Mom

Joo Ye-rim as Young Myung

Kang Tae-young as In Duk

Hong Ji-yoon as Mother

Kim Joon-bum as Government Official

Yoon Byung-hee as Eunuch

Baek Seung-chul as Peddlers Group Leader

Kim Kyu-baek as Peddler

Yoo Byung-sun as Peddler

Sung Min-Soo as Merchant

Ju Seo-eun as Search Party Wife

Chu Yeon-gyu as Search Party Member

Kim Joon Bum as Fighter

Son In-yong as Forced Conscripted Citizen

Kim Min-seok as

Lee Chan-yu as Kid