Full cast of The Heirs
Choi Tae-hwan
Lee Sang-woo
20 episodes
Jeon Soo-jin
Kang Ye-sol
20 episodes
Hwang Bo-Mi
Kang Han-na
20 episodes
Yang Seung-Pil
Hyo-joon
20 episodes
Choi Jin-ho
Choi Dong-wook
20 episodes
Park Joon-geum
Jeong Ji-sook
20 episodes
Lee Yeon-kyung
Bo-na's Mother
20 episodes
Jung Won-joong
Lee Chang-hyeok
20 episodes
Choi Eun-kyeong
Ye-sol's Mother
20 episodes
Baek Seung-hyeon
Secretary Jeong
20 episodes
Kim Seung-wook
Jeong Ji-hoon
20 episodes
Moon Ah-ram
Lee Yoo-na
20 episodes
Chanwoo
Young Kim Tan
20 episodes
Choi Ji-na
Yoo Kyung Ran [Young Do's mother]
2 episodes
Jung Joo-Hee
Announcer
2 episodes
Seo Eun-kwang
Self
1 episode
Lee Min-hyuk
Self
1 episode
Lee Chang-sub
Self
1 episode
Lim Hyun-sik
Self
1 episode
Peniel Shin
Self
1 episode
Jung Il-hoon
Self
1 episode
Yoon Jin-seo
Cha Eun Suk / Stella [Eun Sang's older sister]
1 episode
Jung Taek-woon
Self
1 episode
Ken
Self
1 episode
Ravi
Self
1 episode
Lee Hong-bin
Self
1 episode
Han Sang-hyuk
Self
1 episode
Lee Ga Won
Self
1 episode
Lee Hyun-jin
Bo Na's brother
1 episode
Dean Dawson
Prof. John S. Keating
1 episode