Name	Known for
Lee Bo-hee Jo,Yoon Sook (Yeon Hee's mother) (as Bo-Hee Lee) Jo,Yoon Sook (Yeon Hee's mother) (as Bo-Hee Lee) See fewer	Declaration of Fools (1983)
Jang Hang-seon Lee, Jung Man (as Hang Sun Jang) Lee, Jung Man (as Hang Sun Jang) See fewer	Never to Lose (2005)
Chun Ho-jin Park, Geun Ho (Yeon Hee's father) (as Ho-jin Chun) Park, Geun Ho (Yeon Hee's father) (as Ho-jin Chun) See fewer	I Saw the Devil (2010)
Lee Hoon Kang, Chang Ryul Kang, Chang Ryul See fewer	The Killer's Game
Kim Jeong-eun Kim, Ji Hyun (as Jeong-eun Kim) Kim, Ji Hyun (as Jeong-eun Kim) See fewer	Paris ei yeonin (2004)
Kim Jeong-hwa Park, Yeon Hee (as Jeong-hwa Kim) Park, Yeon Hee (as Jeong-hwa Kim) See fewer	Night After Night (2008)
Ryu Jin Ryu, Sehyung (as Jin Ryu) Ryu, Sehyung (as Jin Ryu) See fewer	Capital Scandal (2007)
Mi-lyeong Jo Kim, Sung Sil (as Mi-ryeong Jo) Kim, Sung Sil (as Mi-ryeong Jo) See fewer	A Defiance of Teenager (1959)
Kim Kang-woo Yoon, Sung Woo (as Kang-woo Kim) Yoon, Sung Woo (as Kang-woo Kim) See fewer	The Aggressives (2005)
Hyo-ri Lee Kang, Jina Kang, Jina See fewer	Lee Hyori (feat. Nassun): U Go Girl (2008)
Jeong-Yong Lee Kwon, Sang Woo Kwon, Sang Woo See fewer	The Beast and the Beauty (2005)
Ji-Seon Ryu Lee, Pil Doo Lee, Pil Doo See fewer	Three Leafed Clover (2005)
Kim Yong-rim Sehyung's mother (as Yong-rim Kim) Sehyung's mother (as Yong-rim Kim) See fewer	Hello, Me! (2021)
Hye-kyeong Yun Song, Mari Song, Mari See fewer	The Devil (2007)