Name	Known for
Cho Seung-woo Hwang Shi Mok Hwang Shi Mok See fewer	Tazza: The High Rollers (2006)
Bae Doona Han Yeo Jin Han Yeo Jin See fewer	Cloud Atlas (2012)
Lee Jun-hyuk Seo Dong-jae Seo Dong-jae See fewer	I Saw the Devil (2010)
Jeon Hye-jin Choi Bit Choi Bit See fewer	The Throne (2015)
Choi Moo-seong Woo Tae Ha (as Moo-Seong Choi) Woo Tae Ha (as Moo-Seong Choi) See fewer	I Saw the Devil (2010)
Yun Se-ah Lee Yeon Jae Lee Yeon Jae See fewer	A Gentleman's Dignity (2012)
Jeon Bae-soo Choi Yoon Soo Choi Yoon Soo See fewer	The Wailing (2016)
Kim Dong-hwi Kim Hu Jeong (as Dong-hwi Kim) Kim Hu Jeong (as Dong-hwi Kim) See fewer	In Our Prime (2022)
Lee Ha-yul Detective Choi Kang Il (as Ha-yul Lee) Detective Choi Kang Il (as Ha-yul Lee) See fewer	Alchemy of Souls (2022)
Lee Hae-young Shin Jae Yong Shin Jae Yong See fewer	Kill Boksoon (2023)
Kim Hak-sun Oh Joo Sun Oh Joo Sun See fewer	#Alive (2020)
Choi Hee-Seo Seo Dong-jae's wife Seo Dong-jae's wife See fewer	Anarchist from Colony (2017)
Shin Hye-sun Young Eun-soo Young Eun-soo See fewer	My Golden Life (2017)
Yoo Jae-myung Lee Chang Joon Lee Chang Joon See fewer	Stranger (2017)
Choi Jae-woong Jang Geon (as Jae-woong Choi) Jang Geon (as Jae-woong Choi) See fewer	The Sword with No Name (2009)
Song Ji-ho Park Soon-chang Park Soon-chang See fewer	Stranger (2017)
Kim Ji-hoon Investigator Kim Yeong Shik Investigator Kim Yeong Shik See fewer	Time Renegades (2016)
Park Ji-Yeon Jung Min Ha Jung Min Ha See fewer	Blood Free (2024)
Yoon Jong-In Seo Sang Won (as Yoon Tae-in) Seo Sang Won (as Yoon Tae-in) See fewer	Stranger (2017)
Lee Kyoo-hyung Yoon Se Won Yoon Se Won See fewer	Doctor John (2019)
Seong-rok Ryu Jeon Gi Hyeok Jeon Gi Hyeok See fewer	Train to Busan (2016)
Chang Ryul Detective Yoo Jung Oh Detective Yoo Jung Oh See fewer	My Name (2021)
Hong Seo-jun Deputy Prosecutor General Shin Dong Un Deputy Prosecutor General Shin Dong Un See fewer	Exhuma (2024)
Yoon Seul Assisting Officer Kim Ah Hyeon Assisting Officer Kim Ah Hyeon See fewer	Dark Hole (2021)
Park Sung-Geun Kang Won Cheol Kang Won Cheol See fewer	Always (2011)
Jung Sung-il Managing Director Park Managing Director Park See fewer	When Flowers Bloom, I Think of the Moon (2021)
Lee Tae-hyung Investigator Kim Ho Sub Investigator Kim Ho Sub See fewer	Memoir of a Murderer (2017)
Kim Won-hae Noh Won-hae Noh Won-hae See fewer	Are You Human Too? (2018)
Kim Young-jae Kim Sa-hyun Kim Sa-hyun See fewer	Mouse (2021)