Name	Known for
Park Hae-soo Kim Je-hyuk Kim Je-hyuk See fewer	By Quantum Physics: A Nightlife Venture (2019)
Jung Kyung-ho Lee Joon-ho Lee Joon-ho See fewer	Missing 9 (2017)
Krystal Jung Kim Ji-ho Kim Ji-ho See fewer	Cobweb (2023)
Jeong Woong-in Lieutenant Paeng Lieutenant Paeng See fewer	I Hear Your Voice (2013)
Choi Moo-sung Jang Gi-soo / Kim Min-cheol Jang Gi-soo / Kim Min-cheol See fewer	I Saw the Devil (2010)
Park Ho-san KAIST / Kang Cheol-doo KAIST / Kang Cheol-doo See fewer	The Call (2020)
Jung Hae-in Captain Yoo Jeong-woo Captain Yoo Jeong-woo See fewer	Tune in for Love (2019)
Lee Kyoo-hyung Yoo Han Yang 'Loony' Yoo Han Yang 'Loony' See fewer	Doctor John (2019)
Jeong Mi-Seong Dr. Go Dr. Go See fewer	The Man from Nowhere (2010)
Lim Hwa-young Kim Je Hee (as Hwa-Young Im) Kim Je Hee (as Hwa-Young Im) See fewer	Lucid Dream (2017)
Won-Ho Shin Corporal Joo Corporal Joo See fewer	Tomorrow (2022)
Kim Kyung-Nam Lee Joon Dol Lee Joon Dol See fewer	Revolutionary Sisters (2021)
Ahn Sang-Woo Prison Warden Kim Yong Chul Prison Warden Kim Yong Chul See fewer	Melancholia (2021)
Lee Sang-yi Sergeant Oh Dang Hwan(Jung Woo's soldier) Sergeant Oh Dang Hwan(Jung Woo's soldier) See fewer	Once Again (I) (2020)
Lee Do-yeop Manager Do [Doctor Go's former colleague] Manager Do [Doctor Go's former colleague] See fewer	Joint Security Area (2000)
Yoo Hyeong-kwan Sim Woo-kyeong Sim Woo-kyeong See fewer	Rude Miss Young-Ae (2007)
Park Hyoung-soo Chief Na Hyeong-soo Chief Na Hyeong-soo See fewer	Crash Landing on You (2019)
Sin Jae-ha Kim Min-seong Kim Min-seong See fewer	Taxi Driver (2021)
Oh Jin-Ha Nurse Nurse See fewer	4th Period Mystery (2009)
Kim Joo-young Kim Do-yoon Kim Do-yoon See fewer	Lovers of the Red Sky (2021)
Kang Ki-doong Prison Officer Song Prison Officer Song See fewer	The First Responders (2022)
Lee Kyu-sung Jeong-soo Jeong-soo See fewer	Gyeongseong Creature (2023)
Jung Moon-sung Yoo Jeong-min Yoo Jeong-min See fewer	Hospital Playlist (2020)
Shin Rin-ah Kim Ji-ho (young) Kim Ji-ho (young) See fewer	Defendant (2017)
Kim Sung-cheol Beobja Beobja See fewer	The Old Woman with the Knife (2025)
Choi Sung-won Jeombaki (as Sung-won Choi) Jeombaki (as Sung-won Choi) See fewer	My ID Is Gangnam Beauty (2018)