Name	Known for
Yoon Sang-Hyun Ha Moo-yeom Ha Moo-yeom See fewer	My Fair Lady (2009)
Kim Min-jung Maria Oh Maria Oh See fewer	Mr. Sunshine (2018)
Sung Dong-il Yang Cheol-gon Yang Cheol-gon See fewer	Take Off (2009)
Lee Joon Ryoo Tae-oh Ryoo Tae-oh See fewer	Ninja Assassin (2009)
Kim Ji-won Ma Ji-wool Ma Ji-wool See fewer	Descendants of the Sun (2016)
Byul Eun Gil Ha Il Shik Ha Il Shik See fewer	Gap Dong (2014)
Jang Hee-soo Kim Young-mi (as Hee-soo Jang) Kim Young-mi (as Hee-soo Jang) See fewer	Gap Dong (2014)
Jeong In-gi Cha Do-hyeok Cha Do-hyeok See fewer	The Chaser (2008)
Baek Jae-jin Psychiatric recluse Psychiatric recluse See fewer	Gap Dong (2014)
Hee-woong Jang Seo Ji-hoon Seo Ji-hoon See fewer	Gap Dong (2014)
Ji-Hwan Jo Lee Hyung-nyeon Lee Hyung-nyeon See fewer	Gap Dong (2014)
Geun Jung Park Ho-suk Park Ho-suk See fewer	Gap Dong (2014)
Yae-min Jung Ha Moo-yeom (young) Ha Moo-yeom (young) See fewer	Gap Dong (2014)
Yoon Kyun-sang Detective Detective See fewer	Six Flying Dragons (2015)
Kang Nam-kil Han Sang-hoon Han Sang-hoon See fewer	Jejoongwon (2010)
Park Seo-yeon Choi Mi-ja (as Seo-yeon Park) Choi Mi-ja (as Seo-yeon Park) See fewer	I Saw the Devil (2010)
Jo Seung-yeon Kwon Oh-shin Kwon Oh-shin See fewer	The Moon (2023)
Choo Soo-hyun Oh Yeong-ae Oh Yeong-ae See fewer	Pinocchio (2014)
Choi Sung-jae Detective (as Sung-jae Choi) Detective (as Sung-jae Choi) See fewer	Doctors (2016)
Min Sung-wuk Nam Gi-ri Nam Gi-ri See fewer	Pinocchio (2014)
Jung Won-joong Park Joon-goo Park Joon-goo See fewer	Illang: The Wolf Brigade (2018)
Hyun Woo Cha Do-Hyeok (young) Cha Do-Hyeok (young) See fewer	Gap Dong (2014)
Jung Yoo-min Lee Jeong-sook Lee Jeong-sook See fewer	Connection (I) (2024)