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)
Sung Dong-il Jeong Won's oldest brother (as Dong-il Sung) Jeong Won's oldest brother (as Dong-il Sung) See fewer	Take Off (2009)
Kim Hae-sook Jeong Ro Sa Jeong Ro Sa See fewer	Thirst (2009)
Kim Hak-sun Choi Eun Suk's husband Choi Eun Suk's husband See fewer	#Alive (2020)
Moon Hee-kyung Seok Hyung's mother (as Hee-kyung Moon) Seok Hyung's mother (as Hee-kyung Moon) See fewer	Skeletons in the Closet (2007)
Kim Hyeon-Ok Choi Eun Suk Choi Eun Suk See fewer	Night of 7 Years (2018)
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 Shin Hye (as Park Ji-Yeon) Yoon Shin Hye (as Park Ji-Yeon) See fewer	Mr. Sunshine (2018)
Yang Jo-ah Hwang Jae-shin Hwang Jae-shin See fewer	Hotel Del Luna (2019)
Kim Kap-su Ju Jong Su Ju Jong Su See fewer	A Tale of Two Sisters (2003)
Jung-Mi Lee Oh Jae-Il's wife Oh Jae-Il's wife See fewer	Hospital Playlist (2020)
Kim Soo-jin Nurse Song Su Bin (as Soo-jin Kim) Nurse Song Su Bin (as Soo-jin Kim) See fewer	Watcher (2019)
Ha Yoon-kyung Heo Seon Bin Heo Seon Bin See fewer	Hospital Playlist (2020)