Name	Known for
Park Shin-hye Yoo Hye-jeong Yoo Hye-jeong See fewer	Miracle in Cell No. 7 (2013)
Kim Rae-won Hong Ji-hong Hong Ji-hong See fewer	Punch (2014)
Yoon Kyun-sang Jung Yun-do (as Yun Kyun-sang) Jung Yun-do (as Yun Kyun-sang) See fewer	Six Flying Dragons (2015)
Lee Sung-kyung Jin Seo-woo Jin Seo-woo See fewer	Dr. Romantic (2016)
Jang Hyun-sung Kim Tae-ho Kim Tae-ho See fewer	Doctors (2016)
Yoo Da-in Jo In-ju (as Da-in Yoo) Jo In-ju (as Da-in Yoo) See fewer	Re-encounter (2010)
Jung Doo-kyum Congressman Na Min-su Congressman Na Min-su See fewer	Always (2011)
Lee Ga-kyung Lee Hye-yeong Lee Hye-yeong See fewer	Jung_E (2023)
Jeon Gook-hwan Jin Seong-jong Jin Seong-jong See fewer	I Saw the Devil (2010)
Yoon Hae-young Yun Ji-yeong Yun Ji-yeong See fewer	Ms. Ma, Nemesis (2018)
Lee Ho-jae Hong Du-sik Hong Du-sik See fewer	The Scam (2009)
Eom Hyo-Seob Jin Myeong-hun Jin Myeong-hun See fewer	Silenced (2011)
Jo Hyun-sik Ahn Jung-dae Ahn Jung-dae See fewer	Doctors (2016)
Moon Ji-In Cheon Sun-hui Cheon Sun-hui See fewer	Times (2021)
Kim Kang-hyeon Kang Gyeong-jun Kang Gyeong-jun See fewer	SF8 (2020)
Kim Min-Seok Choi Gang-su Choi Gang-su See fewer	Descendants of the Sun (2016)
Namgoong Min Nam Ba-ram Nam Ba-ram See fewer	My Dearest (2023)
Lee Sang-Yeob Hye-yeong's Husband Hye-yeong's Husband See fewer	Once Again (I) (2020)
Henny Savenije MH Meditech Investor MH Meditech Investor See fewer	Innocence (2020)
Lee Sun-Ho Jung Pa-ran Jung Pa-ran See fewer	Doctors (2016)
Baek Sung-hyun Pi Yeong-guk Pi Yeong-guk See fewer	Splendid Politics (2015)