When the crown prince is killed, his twin sister assumes the throne while trying to keep her identity and affection for her first love a royal secret.
Park Eun-bin
Lee Hwi
Rowoon
Jung Ji-woon
Nam Yoon-su
Lee Hyun
Bae Yoon-kyung
Shin So-eun
Choi Byung-chan
Kim Ga-on
Lee Pil-mo
Ye Jong
Baek Hyun-joo
Court Lady Kim
Ko Kyu-pil
Eunuch Hong
Jung Chae-yeon
Noh Ha-kyung
Bae Soo-bin
Jung Seok-Jo
Han Chae-a
Lee Hwi's Mother
Yoon Je-moon
Han Ki-Jae
Son Yeo-eun
Queen
Lee Il-hwa
Grand Queen Dowager
Kim Seo-ha
Prince Changun
Park Eun-hye
Jung Ji-Un's Mother
Heo Jung-min
Byulgam Gu
Kim Jae-chul
Yoon Hyeong-Seol
Park Won-sang
Shin Yeong-Su
Jeong Jae-seong
No Hak-Su
Park Eun-bin
Lee Hwi
Rowoon
Jung Ji-woon
Nam Yoon-su
Lee Hyun
Bae Yoon-kyung
Shin So-eun
Choi Byung-chan
Kim Ga-on
Lee Pil-mo
Ye Jong
Baek Hyun-joo
Court Lady Kim
Ko Kyu-pil
Eunuch Hong
Jung Chae-yeon
Noh Ha-kyung
Bae Soo-bin
Jung Seok-Jo
Han Chae-a
Lee Hwi's Mother
Yoon Je-moon
Han Ki-Jae
Son Yeo-eun
Queen
Lee Il-hwa
Grand Queen Dowager
Kim Seo-ha
Prince Changun
Park Eun-hye
Jung Ji-Un's Mother
Heo Jung-min
Byulgam Gu
Kim Jae-chul
Yoon Hyeong-Seol
Park Won-sang
Shin Yeong-Su
Jeong Jae-seong
No Hak-Su
Park Eun-bin
Lee Hwi
Rowoon
Jung Ji-woon
Nam Yoon-su
Lee Hyun
Bae Yoon-kyung
Shin So-eun
Choi Byung-chan
Kim Ga-on
Lee Pil-mo
Ye Jong
Baek Hyun-joo
Court Lady Kim
Ko Kyu-pil
Eunuch Hong
Jung Chae-yeon
Noh Ha-kyung
Bae Soo-bin
Jung Seok-Jo
Han Chae-a
Lee Hwi's Mother
Yoon Je-moon
Han Ki-Jae
Son Yeo-eun
Queen
Lee Il-hwa
Grand Queen Dowager
Kim Seo-ha
Prince Changun
Park Eun-hye
Jung Ji-Un's Mother
Heo Jung-min
Byulgam Gu
Kim Jae-chul
Yoon Hyeong-Seol
Park Won-sang
Shin Yeong-Su
Jeong Jae-seong
No Hak-Su