Name	Known for
Lim Soo-jung Ji Yoon Soo Ji Yoon Soo See fewer	A Tale of Two Sisters (2003)
Lee Do-hyun Baek Seung Yoo Baek Seung Yoo See fewer	Exhuma (2024)
Jin Kyung Noh Jung-ah Noh Jung-ah See fewer	Veteran (2015)
Choi Dae-hoon Ryu Sung-jae Ryu Sung-jae See fewer	When Life Gives You Tangerines (2025)
Woo Da-Vi Sung Ye-lin Sung Ye-lin See fewer	Trap (2020)
Jeon Guk-hyang Shin Gyung-in Shin Gyung-in See fewer	My Dearest (2023)
Oh Gwang-Rok Ji Hyun-wook Ji Hyun-wook See fewer	Oldboy (2003)
Kim Ho-jin Baek Min-sik Baek Min-sik See fewer	Can't Live Without You (2012)
Jang Hyun-sung Sung Min-joon Sung Min-joon See fewer	Doctors (2016)
Yeom Jae-wook Student Affairs Student Affairs See fewer	Melancholia (2021)
Byeon Jeong-soo Yoo Hye-mi Yoo Hye-mi See fewer	Ruby Ring (2013)
Lee Ji-an Park So-jung Park So-jung See fewer	Melancholia (2021)
Baek Ji-won Min Hee-seung Min Hee-seung See fewer	I Have a Lover (2015)
Son Jin-hwan Principal Oh Jin-taek Principal Oh Jin-taek See fewer	Memories of Murder (2003)
Yang Jo-ah Kim Jin-hee Kim Jin-hee See fewer	Melancholia (2021)
Lee Kang-ji Lee Hyun-jae Lee Hyun-jae See fewer	Melancholia (2021)
Kyung Ki-hyun Il-woo Il-woo See fewer	Study Group (2025)
Song Kyung-Hwa Student's Mother Student's Mother See fewer	The Uncanny Counter (2020)
Bo Ra-na Student's Mother Student's Mother See fewer	Mouse (2021)
Lee Sang-Jin Park Hyung-do Park Hyung-do See fewer	Squid Game (2021)
Ahn Sang-Woo Han Myeong-jin Han Myeong-jin See fewer	Melancholia (2021)
Park Sung-yeon Yoo Sun-a Yoo Sun-a See fewer	The Wailing (2016)
Kim Tae-woo Actor (as Taewoo) Actor (as Taewoo) See fewer	Melancholia (2021)
Choi Woo-Sung Jang Gyu-young Jang Gyu-young See fewer	I Don't Like Younger Men (2017)
Chu Yeon-Gyu Teacher Teacher See fewer	Melancholia (2021)