Name	Known for
Jo Jung-suk Lee Ik Joon Lee Ik Joon See fewer	Architecture 101 (2012)
Yoo Yeon-seok Ahn Jeong Won Ahn Jeong Won See fewer	Oldboy (2003)
Jung Kyung-ho Kim Joon-wan Kim Joon-wan See fewer	Missing 9 (2017)
Kim Dae-myung Yang Seok Hyung Yang Seok Hyung See fewer	Misaeng (2014)
Jeon Mi-do Chae Song Hwa Chae Song Hwa See fewer	Hospital Playlist (2020)
Shin Hyeon-bin Jang Gyeo Wool Jang Gyeo Wool See fewer	He's on Duty (2010)
Ahn Eun-jin Choo Min-ha Choo Min-ha See fewer	My Dearest (2023)
Jung Moon-sung Do Jae Hak Do Jae Hak See fewer	Hospital Playlist (2020)
Kwak Sun-young Lee Ik-soon Lee Ik-soon See fewer	Moving (2023)
Lee Chan-Hyeong Choi Sung Young Choi Sung Young See fewer	The Uncanny Counter (2020)
Na Chul Kim Woo Jae Kim Woo Jae See fewer	Concrete Utopia (2023)
Seung Eui-Yeol Yoo Gyeong Jin's father Yoo Gyeong Jin's father See fewer	Hospital Playlist (2020)
Lee Eun-joo Eun Ji's mother Eun Ji's mother See fewer	Hospital Playlist (2020)
Bae Gi-beom Kim Jang Ho Kim Jang Ho See fewer	Mr. Sunshine (2018)
Lee Hye-Eun Nurse Guk Hae Sung Nurse Guk Hae Sung See fewer	Hospital Playlist (2020)
Ryu Hye-rin Park Seung Won's mother (as Hye Rin Ryu) Park Seung Won's mother (as Hye Rin Ryu) See fewer	The Game: Towards Zero (2020)
Bae Hyun-Sung Jang Hong Do Jang Hong Do See fewer	Hospital Playlist (2020)
Lee Ji-ha Yoo Gyeong-jin's mother Yoo Gyeong-jin's mother See fewer	The Handmaiden (2016)
Lee Ji-hoon Professor Lee Ji-hoon Professor Lee Ji-hoon See fewer	The First Responders (2022)
Lee Ji-hyun Lee Min Chan's mother Lee Min Chan's mother See fewer	All of Us Are Dead (2022)
Kim Ji-sung Nurse Han Seung-joo (as Ji-sung Kim) Nurse Han Seung-joo (as Ji-sung Kim) See fewer	SF8 (2020)
Lee Ji-Won Han Hyeon-hee (nurse) Han Hyeon-hee (nurse) See fewer	The First Responders (2022)
Park Ji-Yeon Yoon Shi-hye Yoon Shi-hye See fewer	Blood Free (2024)
Yang Jo-ah Hwang Jae-shin Hwang Jae-shin See fewer	Hotel Del Luna (2019)
Hye-In Kim Myung Eun Won Myung Eun Won See fewer	The Chase (2017)
Koh Na-Young Yoo Gyeong Jin Yoo Gyeong Jin See fewer	Hospital Playlist (2020)
Ahn Si-Ha Kim Su Jeong Kim Su Jeong See fewer	When Flowers Bloom, I Think of the Moon (2021)
Kim Si-woo Park Seung-won Park Seung-won See fewer	Moving (2023)
Seo Suk-Kyu Park Seung Won's father Park Seung Won's father See fewer	Emergency Declaration (2021)
Moon Tae-yu Yong Seok Min (as Tae-yu Moon) Yong Seok Min (as Tae-yu Moon) See fewer	A Taxi Driver (2017)
Lee Taek-geun Kim Su Jeong's husband Kim Su Jeong's husband See fewer	Parasyte: The Grey (2024)
Cho Yi-hyun Jang Yoon Bok Jang Yoon Bok See fewer	School 2021 (2021)
Ha Yoon-kyung Heo Seon-bin Heo Seon-bin See fewer	Time to Hunt (2020)
Choi Young-woo Cheon Myeong-tae Cheon Myeong-tae See fewer	The Silent Sea (2021)