Name	Known for
Choi Yoon-young Ko Yang-soon Ko Yang-soon See fewer	My Daughter Seo Young (2012)
Hyun Woo Yeom Chi-woong Yeom Chi-woong See fewer	Gap Dong (2014)
Choi Min Yoon Sung-il (as Min-seong Choi) Yoon Sung-il (as Min-seong Choi) See fewer	Spring, Summer, Fall, Winter... and Spring (2003)
Young Jae Dok-Go Ko Dong-joon (as Koyeong-jae Dok) Ko Dong-joon (as Koyeong-jae Dok) See fewer	The Great Queen Seondeok (2009)
Lee Kyung-jin Han Young-sook (as Kyung-jin Lee) Han Young-sook (as Kyung-jin Lee) See fewer	Ayla: The Daughter of War (2017)
So-hyeon Park Han Eun-sook Han Eun-sook See fewer	Memories of Murder (2003)
Lee Jae-yong Yeom Byung-soo (as Jae-yong Lee) Yeom Byung-soo (as Jae-yong Lee) See fewer	Save the Green Planet! (2003)
Seo Yi-Sook Hong Soon-ja Hong Soon-ja See fewer	Six Flying Dragons (2015)
Seong-min Choi Yeom Chi-joo (as Sung-min Choi) Yeom Chi-joo (as Sung-min Choi) See fewer	Drama Special (2010)
Hwang Bum-sik Yoon Noh-in (as Bum-sik Hwang) Yoon Noh-in (as Bum-sik Hwang) See fewer	My Dear Cat (2014)
Sora Jung Yoon Jung-hye Yoon Jung-hye See fewer	Lost (2004)
Go Won-Hee Shin Ji-eun (as Won-hee Ko) Shin Ji-eun (as Won-hee Ko) See fewer	Strongest Deliveryman (2017)
Jun Hyo-Seong Han Soo-ri Han Soo-ri See fewer	My Dear Cat (2014)
Yoo Hyeong-kwan Kim Choon-sik Kim Choon-sik See fewer	Rugal (2020)
Kim Seong-hoon Bong-sik Bong-sik See fewer	The Man from Nowhere (2010)