Rookie Historian Goo Hae-Ryung

Shin Sae-kyeong

Goo Hae-Ryung / Hui Yeon· 40 ep

Cha Eun-woo

Prince Yi Rim / Maehwa / Prince Dowon· 40 ep

Park Ki-woong

Lee Jin· 40 ep

Lee Ji-hoon

Min Woo-Won· 40 ep

Park Ji-hyun

Song Sa-Hee· 40 ep

Kong Jeong-hwan

Goo Jae-Kyung· 40 ep

Kim Min-sang

Lee Tae· 40 ep

Choi Deok-moon

Min Ik-Pyeong· 40 ep

Jeon Ik-ryoung

Mo-hwa· 40 ep

Kim Gwi-seon

Second Vice-Premier· 40 ep

Lee Jung-ha

Kim Chi-gook· 40 ep

Kim Yeo-jin

Queen Dowager Yim· 16 ep