Name	Known for
Joo Won Park Si-on Park Si-on See fewer	Yong Pal (2015)
Moon Chae-won Cha Yoon-seo Cha Yoon-seo See fewer	War of the Arrows (2011)
Joo Sang-uk Kim Do-han Kim Do-han See fewer	Giant (2010)
Kim Min-seo Yoo Chae-gyeong Yoo Chae-gyeong See fewer	Sungkyunkwan Scandal (2010)
Chun Ho-jin Choi Woo-seok Choi Woo-seok See fewer	I Saw the Devil (2010)
Kwak Do-won Kang Hyeon-tae Kang Hyeon-tae See fewer	The Wailing (2016)
Na Young-hee Lee Yeo-won Lee Yeo-won See fewer	Forgotten (2017)
Lee Ah-rin Lee Ga-gyeong Lee Ga-gyeong See fewer	Good Doctor (2013)
Yoon Bong-gil Hong Gil-nam (as Bong-gil Yoon) Hong Gil-nam (as Bong-gil Yoon) See fewer	The Beast (2011)
Ko Chang-seok Cho Jeong-mi Cho Jeong-mi See fewer	Lady Vengeance (2005)
Yoo Hae-jung Eun-ok Eun-ok See fewer	Good Doctor (2013)
Jo Hie-bong Ko Chung-man Ko Chung-man See fewer	Blind (2011)
Kim Hyeon-soo Na In-hae Na In-hae See fewer	My Love from Another Star (2013)
Kwak Ji-min Lee Soo-jin Lee Soo-jin See fewer	Samaritan Girl (2004)
Wang Ji-won Kim Seon-joo Kim Seon-joo See fewer	I Need Romance (2011)
Ha Kyu-won Hye-jin Hye-jin See fewer	Good Doctor (2013)
Jin Kyung Nam Ju-yeon Nam Ju-yeon See fewer	Veteran (2015)
Ban Min-jung Gyu-hyeon's Mother Gyu-hyeon's Mother See fewer	I Would Rather Kill You (2025)
Yoon Park Woo Il-gyu Woo Il-gyu See fewer	What's with This Family (2014)
Lee Won-jae Anesthesiologist Anesthesiologist See fewer	The Chaser (2008)
Yun Yoo-sun Oh Gyeong-joo Oh Gyeong-joo See fewer	The Story of Two Women (1994)
Jung Yoon Suk Gyu-hyeon Gyu-hyeon See fewer	Bad and Crazy (2021)
Kim Yoon-joo Gynecologist Gynecologist See fewer	Train to Busan (2016)
Kim Young-kwang Han Jin-uk Han Jin-uk See fewer	On Your Wedding Day (2018)