Name	Known for
Ha Ji-Won Oh Ha-na Oh Ha-na See fewer	Hwang Jin Yi (2006)
Yoshihiro Akiyama Choo Sung-Hoon (as Choo Sung-Hoon) Choo Sung-Hoon (as Choo Sung-Hoon) See fewer	Athena: Goddess of War (2010)
Seo Dong-gun Jang Dong-gun Jang Dong-gun See fewer	The Time We Were Not in Love (2015)
Jang Hee-soo Choi Won's mother (as Hee-soo Jang) Choi Won's mother (as Hee-soo Jang) See fewer	Gap Dong (2014)
Woo Hyeon Byeon Woo-sik Byeon Woo-sik See fewer	Alchemy of Souls (2022)
Hong In-young Wang Bit-Na (as In-Young Hong) Wang Bit-Na (as In-Young Hong) See fewer	Gap Dong (2014)
Jang Seong-won Bong Woo-jin Bong Woo-jin See fewer	Dark Hole (2021)
On Joo-Wan On Joo-Wan On Joo-Wan See fewer	The Peter Pan Formula (2005)
Dong-jin Lee Song Min-gook Song Min-gook See fewer	Gap Dong (2014)
Kang Rae-yeon Kang Na-young (as Rae-yeon Kang) Kang Na-young (as Rae-yeon Kang) See fewer	A Love to Kill (2005)
Yoon Sang-Hyun Yoon Sang-hyun Yoon Sang-hyun See fewer	My Fair Lady (2009)
Go Won-Hee Yoon Min-Ji Yoon Min-Ji See fewer	Strongest Deliveryman (2017)
Bae Woo-hee Hong Eun-jung Hong Eun-jung See fewer	Times (2021)
Yoon Kyun-sang Cha Seo Hoo Cha Seo Hoo See fewer	Six Flying Dragons (2015)
Oh Yoo-na Ji-oh Ji-oh See fewer	Age of Warriors (2003)
Soo-Hyun Choo Lee So Eun Lee So Eun See fewer	Gap Dong (2014)
Jin Kyung Head stewardess Choi Mi Hyang Head stewardess Choi Mi Hyang See fewer	Veteran (2015)
Lee Joo-seung Oh Dae-Bok Oh Dae-Bok See fewer	Shuttlecock (2013)
Shin Jeong-geun Lee Jung-geun Lee Jung-geun See fewer	Running Turtle (2009)
Ju-hie Seo Kim Soo-mi Kim Soo-mi See fewer	Flower Island (2001)
Lee Jin-wook Choi Won Choi Won See fewer	The Three Musketeers (2014)