Name	Known for
Lee Joon-gi Lee Soo-hyun / Kay (as Jun-ki Lee) Lee Soo-hyun / Kay (as Jun-ki Lee) See fewer	The King and the Clown (2005)
Nam Sang-mi Seo Ji-woo / Ari (as Sang-mi Nam) Seo Ji-woo / Ari (as Sang-mi Nam) See fewer	Time Between Dog and Wolf (2007)
Jung Kyung-ho Kang Min-ki (as Kyung Ho Jung) Kang Min-ki (as Kyung Ho Jung) See fewer	Missing 9 (2017)
Choi Jae-sung Mao Liwart (as Jae-Sung Choi) Mao Liwart (as Jae-Sung Choi) See fewer	Immortal Yi Soon-shin (2004)
Kim Kap-su Jung Hak-soo (Director / Chief Jung) Jung Hak-soo (Director / Chief Jung) See fewer	A Tale of Two Sisters (2003)
Jung Kyung-soon Oh Seung-joo (NIS Supervisor) (as Kyung Soon Jung) Oh Seung-joo (NIS Supervisor) (as Kyung Soon Jung) See fewer	The Taebaek Mountains (1994)
Choi Ji-ho Ji Ra-peu, Giraffe (as Ji-ho Choi) Ji Ra-peu, Giraffe (as Ji-ho Choi) See fewer	Alchemy of Souls (2022)
Jung Sung-mo Seo Young-kil Seo Young-kil See fewer	Blood Palace (2013)
Park Hyo-joon Ah-hwa (as Hyo-jun Park) Ah-hwa (as Hyo-jun Park) See fewer	Badland Hunters (2024)
Su-yeon Cha Chao Ming Chao Ming See fewer	For Eternal Hearts (2007)
Seo Dong-won Choi Il Do (as Dong-won Seo) Choi Il Do (as Dong-won Seo) See fewer	My Sassy Girl (2001)
Park Hyuk-kwon Team leader (as Hyuk-kwon Park) Team leader (as Hyuk-kwon Park) See fewer	Six Flying Dragons (2015)
Moon Jae-won NIS agent (as Jae-won Moon) NIS agent (as Jae-won Moon) See fewer	Time Between Dog and Wolf (2007)
Lee Ki-young Kang Joong Ho / Min Gi's father Kang Joong Ho / Min Gi's father See fewer	A Bittersweet Life (2005)
Park Mi-suk Goo Sung-hee (NIS Agent) (as Mi-suk Park) Goo Sung-hee (NIS Agent) (as Mi-suk Park) See fewer	A Moment to Remember (2004)
Lee Mi-Young Myeong Ae Myeong Ae See fewer	Interview (2000)
Hye-won Park Go Myeong Jae Go Myeong Jae See fewer	Time Between Dog and Wolf (2007)
Lee Tae-sung Bae Sang-shik (as Tae-Sung Lee) Bae Sang-shik (as Tae-Sung Lee) See fewer	Mantis (VI)