Cast from Rookie Historian Goo Hae-Ryung

Shin Se-kyung

Goo Hae-Ryung / Hui Yeon

Cha Eun-woo

Prince Yi Rim / Maehwa / Prince Dowon

Park Ki-woong

Lee Jin

Lee Ji-hoon

Min Woo-Won

Park Ji-hyun

Song Sa-Hee

Jeong-hwan Kong

Goo Jae-Kyung

Kim Min-sang

Lee Tae

Choi Deok-moon

Min Ik-Pyeong

Jeon Ik-ryoung

Mo-hwa

Kim Gwi-seon

Second Vice-Premier

Lee Jung-ha

Kim Chi-gook

Kim Yeo-jin

Queen Dowager Yim