Name	Known for
Yoon Shi-Yoon Heo Joon Heo Joon See fewer	Baker King, Kim Tak Goo (2010)
Kim Sae-ron Yeon-hee Yeon-hee See fewer	The Man from Nowhere (2010)
Lee Sung-jae Choi Hyeon-seo Choi Hyeon-seo See fewer	Art Museum by the Zoo (1998)
Yum Jung-ah Hong-joo Hong-joo See fewer	A Tale of Two Sisters (2003)
Kwak Si-yang Poong-yeon Poong-yeon See fewer	Second to Last Love (2016)
Jo Dal-hwan Heo-ok Heo-ok See fewer	All of Us Are Dead (2022)
Jang Hie-jin Queen Sim Queen Sim See fewer	Flower of Evil (2020)
Moon Ga-young Sol-gae (credit only) Sol-gae (credit only) See fewer	Mirror of the Witch (2016)
Lee Yi-kyeong Yo-gwang Yo-gwang See fewer	My Love from Another Star (2013)
Lee Ji-hoon King Sunjo (credit only) King Sunjo (credit only) See fewer	A Hard Day (2014)
Yoon Bok-in Mrs. Ok (Poong-yeon's mother) Mrs. Ok (Poong-yeon's mother) See fewer	Korea-Khitan War (2023)
Lee Da-wit King Myungjong King Myungjong See fewer	The Terror Live (2013)
Kim Hee-Jung Mrs. Kim (Heo Joon's mother) Mrs. Kim (Heo Joon's mother) See fewer	The First Wives Club (2007)
Yeo Hoi-hyeon Crown Prince Soonhwe Crown Prince Soonhwe See fewer	Mirror of the Witch (2016)
Jeon Mi-seon Mrs. Son (Heo-ok's mother) Mrs. Son (Heo-ok's mother) See fewer	Memories of Murder (2003)
Kim So-hye Mi-hyang Mi-hyang See fewer	Mirror of the Witch (2016)
Choi Sung-won Dong-rae (as Sung-won Choi) Dong-rae (as Sung-won Choi) See fewer	My ID Is Gangnam Beauty (2018)
Kim Young Ae Queen Yoon Queen Yoon See fewer	Pandora (2016)
Jo Young-hoon Bo-choon Bo-choon See fewer	Fear Eats the Seoul (2011)