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 Dal Nurse Kim Jae-hwan Nurse Kim Jae-hwan See fewer	Vincenzo (2021)
Shin Do-Hyun Bae Joon-hee Bae Joon-hee See fewer	The Recruit (2022)
Kim Hae-gon Aneurysm patient's dad Aneurysm patient's dad See fewer	A Hard Day (2014)
Kim Hae-sook Jeong Ro-sa Jeong Ro-sa See fewer	Thirst (2009)
Moon Hee-kyung Seok-hyung's mother Seok-hyung's mother See fewer	Skeletons in the Closet (2007)
Lee Hwiseo Neuropatient discharged Neuropatient discharged See fewer	Imitation (2021)
Shin Hyun-jong Yu Min's father Yu Min's father See fewer	Memories of Murder (2003)
Bae Hyun-Sung Jang Hong-do Jang Hong-do See fewer	Gyeongseong Creature (2023)
Lee Ji-hoon Professor Lee Ji-hoon Professor Lee Ji-hoon See fewer	You Are My Destiny (2008)
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)
Yang Jo-ah Hwang Jae-shin Hwang Jae-shin See fewer	Melancholia (2021)
Kim Joon Lee Woo Joo Lee Woo Joo See fewer	Hospital Playlist (2020)
Kim Jun-han Ahn Chi-yong Ahn Chi-yong See fewer	Good Partner (2024)
Park Jung-woo Jang Ga-eul Jang Ga-eul See fewer	20th Century Girl (2022)
Kim Kang-min Im Chang Min Im Chang Min See fewer	Hospital Playlist (2020)
Kim Kap-su Joo Jong-soo Joo Jong-soo See fewer	A Tale of Two Sisters (2003)
Kim Seon-hwa Seok Hyeong's aunt Seok Hyeong's aunt See fewer	Big Mouth (2022)
Kim Soo-jin Head nurse Song Soo-bin Head nurse Song Soo-bin See fewer	Familiar Wife (2018)
Kim Sung-hyun Yoon Bok's boyfriend Yoon Bok's boyfriend See fewer	Lost and Found (2008)
Moon Tae-yu Yong Seok-min Yong Seok-min See fewer	A Taxi Driver (2017)
Cho Yi-hyun Jang Yoon-bok Jang Yoon-bok See fewer	All of Us Are Dead (2022)
Ha Yoon-kyung Heo Seon-bin Heo Seon-bin See fewer	Concerning My Daughter (2023)
Choi Young-woo Cheon Myeong-tae Cheon Myeong-tae See fewer	The Silent Sea (2021)