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-seong Kim Min Chul (as Moo-Seong Choi) Kim Min Chul (as Moo-Seong Choi) See fewer	I Saw the Devil (2010)
Park Ho-san Kang Chul Doo / KAIST Kang Chul Doo / KAIST See fewer	The Call (2020)
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)
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	Prison Playbook (2017)
Lee Do-yeop Manager Do [Doctor Go's former colleague] Manager Do [Doctor Go's former colleague] See fewer	Joint Security Area (2000)
Na Do-yool Movie theater staff Movie theater staff See fewer	Are You Human Too? (2018)
Yeom Hye-ran Han Yang's mother Han Yang's mother See fewer	Mask Girl (2023)
Yoo Hyeong-kwan Sim Woo-kyeong Sim Woo-kyeong See fewer	Rude Miss Young-Ae (2007)
Park Hyoung-soo Chief Na Hyung Soo Chief Na Hyung Soo See fewer	Crash Landing on You (2019)
Jang Hyuk-jin Yoo Han-yang's father Yoo Han-yang's father See fewer	Train to Busan (2016)
Yoo Jae-myung Je Hyuk's Lawyer Je Hyuk's Lawyer See fewer	Stranger (2017)
Kang Ki-doong Prison Officer Song Prison Officer Song See fewer	The First Responders (2022)
Park Mi-suk Doctor Go's Wife (as Mi-suk Park) Doctor Go's Wife (as Mi-suk Park) See fewer	A Moment to Remember (2004)
Kang Seung-yoon Jang Bal Jang (as Seung-Yoon Kang) Jang Bal Jang (as Seung-Yoon Kang) See fewer	Voice (2017)
Ye Soo-jung Je Hyuk's mother Je Hyuk's mother See fewer	Along With the Gods: The Two Worlds (2017)
Joo Suk-tae Yeom Sang Jae Yeom Sang Jae See fewer	A Hard Day (2014)
Kang Suk-won Reporter Jang (as Kang Suk-Won) Reporter Jang (as Kang Suk-Won) See fewer	Mouse (2021)