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 Woo Tae-ha See fewer	I Saw the Devil (2010)
Yun Se-ah Lee Yeon-jae Lee Yeon-jae See fewer	A Gentleman's Dignity (2012)
Kim Dong-hwi Kim Hu Jeong (as Dong-hwi Kim) Kim Hu Jeong (as Dong-hwi Kim) See fewer	In Our Prime (2022)
Choi Gyo-sik Shi Mok's investigator Shi Mok's investigator See fewer	Memories of Murder (2003)
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)
Lee Hyun-kyun Prosecutor Prosecutor See fewer	Emergency Declaration (2021)
Kim Ji-hoon Investigator Kim Yeong Shik Investigator Kim Yeong Shik See fewer	Good News (2025)
Chang Ryul Detective Yoo Jeong-oh Detective Yoo Jeong-oh See fewer	My Name (2021)
Ha Seong-kwang Director Kim Myeong Han (as Seong-kwang Ha) Director Kim Myeong Han (as Seong-kwang Ha) See fewer	The Chaser (2008)
Yoon Seul Assisting Officer Kim Ah Hyeon Assisting Officer Kim Ah Hyeon See fewer	Dark Hole (2021)
Kang Shin-hyo Lee Yong-ho Lee Yong-ho See fewer	Iris (2009)
Jin So-Yeon Yong Ho's girlfriend Yong Ho's girlfriend See fewer	#Alive (2020)
Park Sung-Geun Kang Won Cheol Kang Won Cheol See fewer	Always (2011)
Jung Sung-il Managing Director Park Managing Director Park See fewer	Uprising (2024)