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)
Jeon Gook-hwan Jin Seong-jong Jin Seong-jong See fewer	I Saw the Devil (2010)
Lee Ho-jae Hong Doo-sik Hong Doo-sik See fewer	Doctors (2016)
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)
Im Ji-kyu Man Seeking Revenge Man Seeking Revenge See fewer	Milky Way Liberation Front (2007)
Jung Jin Baek Ho-min Baek Ho-min See fewer	Tae Guk Gi: The Brotherhood of War (2004)
Lee Joon-hyuk Gang Boss's Henchman Gang Boss's Henchman See fewer	Love in the Moonlight (2016)
Kim Kang-hyeon Kang Gyeong-jun Kang Gyeong-jun See fewer	SF8 (2020)
Lee Ki-woo Gang Boss Gang Boss See fewer	Memory (2016)
Jung Kyung-soon Oh Yeong-mi Oh Yeong-mi See fewer	The Taebaek Mountains (1994)
Kim Min-Seok Choi Gang-su Choi Gang-su See fewer	Descendants of the Sun (2016)
Ji Soo Kim Su-cheol (as Ji-soo) Kim Su-cheol (as Ji-soo) See fewer	Moon Lovers: Scarlet Heart Ryeo (2016)
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)
Pyo Ye-jin Hyun Su-jin [Nurse] Hyun Su-jin [Nurse] See fewer	Taxi Driver (2021)
Park Yong-soo Jung Il-sang Jung Il-sang See fewer	Sense8 (2015)
Kim Young Ae Kang Mal-sun Kang Mal-sun See fewer	Pandora (2016)