Name	Known for
Yoon Eun-hye Chae-kyung Shin (as Yun Eun-hye) Chae-kyung Shin (as Yun Eun-hye) See fewer	The 1st Shop of Coffee Prince (2007)
Ju Ji-hoon Crown Prince Lee Shin (as Ji-hun Ju) Crown Prince Lee Shin (as Ji-hun Ju) See fewer	The Spy Gone North (2018)
Jeong-hoon Kim Prince Yul Prince Yul See fewer	Pacific Rim: Uprising (2018)
Song Ji-Hyo Min Hyo-rin Min Hyo-rin See fewer	New World (2013)
Park Chan-hwan Emperor Hyun (Shin's father) (as Chan-hwan Park) Emperor Hyun (Shin's father) (as Chan-hwan Park) See fewer	Sea of the Woman: Geu yeojaui bada (2017)
Bool-am Choi Emperor Sungjo (Shin and Yul's grandfather) Emperor Sungjo (Shin and Yul's grandfather) See fewer	The Last Witness (1980)
Kim Hye-ja Queen Mother (Yul and Shin's grandmother) Queen Mother (Yul and Shin's grandmother) See fewer	Mother (2009)
Shim Hye-jin Lady Hwa-yong (Yul's mother) Lady Hwa-yong (Yul's mother) See fewer	The Gingko Bed (1996)
Kang Nam-kil Chae-kyung's father (as Nam-Gil Kang) Chae-kyung's father (as Nam-Gil Kang) See fewer	Jejoongwon (2010)
Kim Sang-jung Crown Prince Hyo Yeol (Yul's father) (as Sang Jung Kim) Crown Prince Hyo Yeol (Yul's father) (as Sang Jung Kim) See fewer	The Rebel Hong Gil Dong (2017)
Im Ye-jin Chae-kyung's mother (as Ye-jin Lim) Chae-kyung's mother (as Ye-jin Lim) See fewer	Secret Love (2010)
Yoon Yoo-sun Queen Min (Shin's mother) Queen Min (Shin's mother) See fewer	The Story of Two Women (1994)
Lee Yoon-ji Princess Hye-myung (Shin's sister) Princess Hye-myung (Shin's sister) See fewer	Dream High (2011)