Name	Known for
Han Suk-kyu Teacher Kim / Dr. Boo Yong Joo Teacher Kim / Dr. Boo Yong Joo See fewer	Christmas in August (1998)
Lee Sung-kyung Dr. Cha Eun-jae Dr. Cha Eun-jae See fewer	Dr. Romantic (2016)
Ahn Hyo-seop Dr. Seo Woo Jin Dr. Seo Woo Jin See fewer	Dr. Romantic (2016)
Kim Joo-hun Dr. Park Min-gook Dr. Park Min-gook See fewer	Train to Busan (2016)
Sin Dong-Wook Dr. Bae Moon-jeong Dr. Bae Moon-jeong See fewer	Live (2018)
So Joo-yeon Dr. Yoon Ah-reum Dr. Yoon Ah-reum See fewer	Dr. Romantic (2016)
Yoon Bo-ra Joo Yeong-mi Joo Yeong-mi See fewer	Doctor Stranger (2014)
Jeong Bo-seok Bae Moon-jeong's father Bae Moon-jeong's father See fewer	Giant (2010)
Park Hyo-ju Anesthesiologist Shim Hye-jin Anesthesiologist Shim Hye-jin See fewer	The Chaser (2008)
Choi Jin-ho Director Do Yoon Wan Director Do Yoon Wan See fewer	I Saw the Devil (2010)
Lee Kyu-ho Mr. Goo (Staff at Doldam Hospital) Mr. Goo (Staff at Doldam Hospital) See fewer	#Alive (2020)
Jin Kyung Head Nurse Oh Myung Shim Head Nurse Oh Myung Shim See fewer	Veteran (2015)
Kim Min-jae Nurse Park Eun Tak Nurse Park Eun Tak See fewer	Dali and the Cocky Prince (2021)
Yoon Na-moo Dr. Jeong In Soo Dr. Jeong In Soo See fewer	Connection (2024)
Han Sang-chul Hiker (as Han Sang-Chul) Hiker (as Han Sang-Chul) See fewer	All of Us Are Dead (2022)
Ko Sang-ho Dr. Yang Ho Joon Dr. Yang Ho Joon See fewer	Vincenzo (2021)
Son Sang-yeon Kang Ik-joon (VIP Patient) Kang Ik-joon (VIP Patient) See fewer	All of Us Are Dead (2022)
Yang Se-jong Dr. Do In Bum (as Se Jong Yang) Dr. Do In Bum (as Se Jong Yang) See fewer	Temperature of Love (2017)
Im Won-hee Manager Jang Gi Tae Manager Jang Gi Tae See fewer	Along With the Gods: The Two Worlds (2017)
Byeon Woo-min Anesthesiologist Nam Do Il (as Woo-min Byeon) Anesthesiologist Nam Do Il (as Woo-min Byeon) See fewer	Marriage Story 2 (1994)
Seo Young Manager Joo Manager Joo See fewer	Miss Butcher (2017)