Name	Known for
Si-Wan Yim Jang Geu-rae (as a different name) Jang Geu-rae (as a different name) See fewer	The Merciless (2017)
Lee Sung-min Oh Sang-sik Oh Sang-sik See fewer	The Man Standing Next (2020)
Kang So-ra Ahn Yeong-i Ahn Yeong-i See fewer	Sunny (2011)
Kang Ha-neul Jang Baek-gi Jang Baek-gi See fewer	Moon Lovers: Scarlet Heart Ryeo (2016)
Byun Yo-han Han Seok-yool Han Seok-yool See fewer	Socialphobia (2014)
Kim Dae-myung Kim Dong-sik Kim Dong-sik See fewer	Misaeng (2014)
Shin Eun-jung Seon Ji-yeong Seon Ji-yeong See fewer	The Great Doctor (2012)
Park Hae-joon Cheon Gwan-woong Cheon Gwan-woong See fewer	12.12: The Day (2023)
Kim Jong-soo Kim Boo-ryeon Kim Boo-ryeon See fewer	Smugglers (2023)
Ryu Tae-ho Ko Dong-ho Ko Dong-ho See fewer	Memories of Murder (2003)
Kim Hee-won Park Jong-sik Park Jong-sik See fewer	The Man from Nowhere (2010)
Lee Kyoung-young Choi Jeon-moo (as Lee Kyoung-Young) Choi Jeon-moo (as Lee Kyoung-Young) See fewer	Inside Men (2015)
Son Jong-hak Ma Bok-ryeol Ma Bok-ryeol See fewer	Thirst (2009)
Jeong Hee-tae Jung Hee-seok Jung Hee-seok See fewer	Mr. Sunshine (2018)
Choi Gwi-hwa Park Yong-gu Park Yong-gu See fewer	A Taxi Driver (2017)
Jun Suk-ho Ha Sung-joon Ha Sung-joon See fewer	Strong Girl Bong-soon (2017)
Oh Min-seok Kang Hae-joon Kang Hae-joon See fewer	Beautiful Love, Wonderful Life (2019)
Shin Jae-hoon Yoo Hyeong-gi Yoo Hyeong-gi See fewer	Undercover (2021)
Tae In-ho Seong Jun-sik Seong Jun-sik See fewer	Shadow Island (2014)
Sung Byoung-sook Geu-rae's Mother Geu-rae's Mother See fewer	Badland Hunters (2024)
Nam Myung-ryul Geu-rae's Baduk Teacher Geu-rae's Baduk Teacher See fewer	Forgotten (2017)
Hong Hee-won Jang Baek-gi's Friend Jang Baek-gi's Friend See fewer	A Company Man (2012)