Full cast of Rookie Historian Goo Hae-Ryung

Shin Sae-kyeong

Goo Hae-Ryung / Hui Yeon

40 episodes

Cha Eun-woo

Prince Yi Rim / Maehwa / Prince Dowon

40 episodes

Park Ki-woong

Lee Jin

40 episodes

Lee Ji-hoon

Min Woo-Won

40 episodes

Park Ji-hyun

Song Sa-Hee

40 episodes

Kong Jeong-hwan

Goo Jae-Kyung

40 episodes

Kim Min-sang

Lee Tae

40 episodes

Choi Deok-moon

Min Ik-Pyeong

40 episodes

Jeon Ik-ryoung

Mo-hwa

40 episodes

Kim Gwi-seon

Second Vice-Premier

40 episodes

Lee Jung-ha

Kim Chi-gook

40 episodes

Kim Yeo-jin

Queen Dowager Yim

16 episodes