Rookie Historian Goo Hae-Ryung: Cast
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
Kong Jeong-hwan
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