Name	Known for
Ji Jin-hee Han Jeong-hyun Han Jeong-hyun See fewer	Dong Yi (2010)
Kim Hyun-joo Choi Yeon-soo Choi Yeon-soo See fewer	I Have a Lover (2015)
Yeon Woo-jin Han Jung-hyun / Lee Suk-kyu (young) Han Jung-hyun / Lee Suk-kyu (young) See fewer	Seven Day Queen (2017)
Choi Dae-chul Choo Dong-woo Choo Dong-woo See fewer	Vagabond (2019)
Han Go-eun Go Yoon-joo Go Yoon-joo See fewer	City of the Rising Sun (1998)
Kwon Hae-hyo Oh Pil-jae Oh Pil-jae See fewer	Peninsula (2020)
Lee Han-wi Bae Goo-taek Bae Goo-taek See fewer	Joint Security Area (2000)
Jeon Hye-won Kim Myung Jae's daughter Kim Myung Jae's daughter See fewer	True Beauty (2020)
Jeong In-gi Kim Myung-jae Kim Myung-jae See fewer	The Chaser (2008)
Kim In-Suk Real estate agent Real estate agent See fewer	Undercover (2021)
Lee Jae-in Han Seung-mi Han Seung-mi See fewer	Svaha: The Sixth Finger (2019)
Yeon Je-wook Loan shark (as Je-wook Yeon) Loan shark (as Je-wook Yeon) See fewer	Fly High (2009)
Son Jong-hak Yoo Sang Dong Yoo Sang Dong See fewer	Thirst (2009)
Huh Joon-ho Lim Hyeong-rak Lim Hyeong-rak See fewer	Escape from Mogadishu (2021)
Jeong Man-sik Do Young-geol Do Young-geol See fewer	Miracle in Cell No. 7 (2013)
Kim Nam-jin Kim Myung-jae's wife Kim Myung-jae's wife See fewer	Sisyphus: The Myth (2021)
Ahn Se-ho Kim Gwang-cheol Kim Gwang-cheol See fewer	Always (2011)
Yoo Seon-ho Han Seung Goo Han Seung Goo See fewer	Usury Academy (2023)
Lee Seung-joon Kang Choong Mo Kang Choong Mo See fewer	Descendants of the Sun (2016)
Kim Soo-jin Min Sang-ah Min Sang-ah See fewer	Familiar Wife (2018)
Joo Suk-tae Park Won Jong Park Won Jong See fewer	A Hard Day (2014)
Park Woo-Jae Security guard Security guard See fewer	Undercover (2021)
Bae Yoon-kyoung Song Mi Seon (as Yoon-Kyoung Bae) Song Mi Seon (as Yoon-Kyoung Bae) See fewer	Less Than Evil (2018)
Song Young-kyu Kwak Moon-heum Kwak Moon-heum See fewer	A Hard Day (2014)
Kang Young-seok Jeong Cheol-hoon Jeong Cheol-hoon See fewer	The Kidnapping Day (2023)