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	KBS Drama Special(2010)
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 Yeom Byung-soo 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	KBS 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)