Name	Known for
Taecyeon Ra Yi-eon Ra Yi-eon See fewer	Cinderella's Sister (2010)
Kim Hye-yoon Kim Jo-yi Kim Jo-yi See fewer	Lovely Runner (2024)
Lee Jae-kyoon Park Tae-seo Park Tae-seo See fewer	The Veil (2021)
Jeong Bo-seok Park Seung Park Seung See fewer	Giant (2010)
Bae Jong-ok Ryu Deok-bong Ryu Deok-bong See fewer	Innocence (2020)
Min Jin-woong Yook-chil Yook-chil See fewer	Father Is Strange (2017)
Park Kang-sub Gu-pal Gu-pal See fewer	Newtopia (2025)
Chae Won-Bin Bi-ryeong Bi-ryeong See fewer	Such a Close Traitor (2024)
Lee Sang-hee Gwang-soon Gwang-soon See fewer	Our Love Story (2016)
Choi Tae-hwan Park Do-soo Park Do-soo See fewer	Secret Royal Inspector Joy (2021)
Park Choong-seon Sim Tae-son Sim Tae-son See fewer	Blind (2011)
Choi Gyo-sik Homeowner Homeowner See fewer	Memories of Murder (2003)
Yang Hee-kyung Madam Jo [Yi-eon's Grandmother] Madam Jo [Yi-eon's Grandmother] See fewer	Out to the World (1994)
Ki Hwan Official Official See fewer	Lovely Runner (2024)
Kim Hyun-joon Ji Maeng-su Ji Maeng-su See fewer	Hwarang: The Poet Warrior Youth (2016)
Park Ji-ye Kkot Dan [Grandmother's Servant] Kkot Dan [Grandmother's Servant] See fewer	Remember, Hari (2018)
Kwan-Woo Jo The King (as Jo Kwan-woo) The King (as Jo Kwan-woo) See fewer	Detective K: Secret of the Lost Island (2015)
Lee Jun-hyuk Crown Prince Crown Prince See fewer	I Saw the Devil (2010)
Oh Kyu-taek Butcher Butcher See fewer	Alchemy of Souls (2022)
Oh Kyung-hwa Deok-bong's Helper Deok-bong's Helper See fewer	Our Movie (2025)
Ha Seung-jin Ba-hwe Ba-hwe See fewer	Secret Royal Inspector Joy (2021)
Park Shin-ah Kang Han-gi Kang Han-gi See fewer	Secret Royal Inspector Joy (2021)
Ryu Si-hyun Deok-bong's Helper Deok-bong's Helper See fewer	Secret Royal Inspector Joy (2021)
Jung Soon-won Cha Mal-jong (archive footage) Cha Mal-jong (archive footage) See fewer	Along With the Gods: The Two Worlds (2017)
Hong Suk-bin Na Yong-gyun [Royal Physician] Na Yong-gyun [Royal Physician] See fewer	Exhuma (2024)
Bae Sung-il Chief Royal Secretary Chief Royal Secretary See fewer	Forgotten (2017)