Name	Known for
Uhm Ji-won Oh Hyun-jin Oh Hyun-jin See fewer	Hope (2013)
Park Ha-seon Jo Eun-jung Jo Eun-jung See fewer	Dong Yi (2010)
Jang Hye-jin Choi Hye-sook Choi Hye-sook See fewer	Parasite (2019)
Kim Dan-woo Oh Hyun Jin (child) Oh Hyun Jin (child) See fewer	When the Camellia Blooms (2019)
Lee Ha-Joo Oh Hyun Jin (young) Oh Hyun Jin (young) See fewer	Hospital Playlist (2020)
Kang Hong-Seok Grim Reaper Grim Reaper See fewer	Hotel Del Luna (2019)
Lee Jae-woo General manager General manager See fewer	Flex x Cop (2024)
Kim Nam Jin Oh Hyun Jin's mother-in-law (as Kim Nam-jin) Oh Hyun Jin's mother-in-law (as Kim Nam-jin) See fewer	Alchemy of Souls (2022)
Yang Jo-ah Nurse Nurse See fewer	Melancholia (2021)
Kim Min-Cheol Kim Min-soo Kim Min-soo See fewer	Doctors (2016)
Jung Moon-sung Doctor Doctor See fewer	Hospital Playlist (2020)
Yoon Park Kim Do-yoon Kim Do-yoon See fewer	What's with This Family (2014)
Han Sang-chul Factory Manager Factory Manager See fewer	The Gangster, the Cop, the Devil (2019)
Son Sook Oh Hyun Jin's mother Oh Hyun Jin's mother See fewer	Only Because You Are a Woman (1990)
Choi Soomin Ahn Hee-nam Ahn Hee-nam See fewer	Shadow Detective (2022)
Son Sung-chan Oh Hyun Jin's father-in-law Oh Hyun Jin's father-in-law See fewer	The Bad Guys: The Movie (2019)