Heirs Skuespillere og folkene bag
Park Shin-hyeCha Eun-sang Kang Min-hyukYoon Chan-young Park Hyung-sikJo Myeong-soo Choi Tae-hwanLee Sang-woo Jo Yoon-wooMoon Joon-young Jeong Dong-hwanChairman Kim Nam-yoon Kim Mi-kyeongPark Hee-nam Choi Jin-hoChoi Dong-wook Choi Won-youngYoon Jae-ho Park Joon-geumJeong Ji-sook Seo Yi-sookHyo-shin's Mother Lee Yeon-kyungBo-na's Mother Jung Won-joongLee Chang-hyeok Ra Mi-ranMyeong-soo's Mother Choi Eun-kyeongYe-sol's Mother Baek Seung-hyeonSecretary Jeong Kim Seung-wookJeong Ji-hoon Wang Ji-wonYang Da Kyung [Kim Won's arranged date] Choi Ji-naYoo Kyung Ran [Young Do's mother] Lee Ga-ryeongClothing store employee Yoon Jin-seoCha Eun Suk / Stella [Eun Sang's older sister] Lee Hyun-jinBo Na's brother Dean DawsonProf. John S. Keating Boo Seong-cheolInstruktør 
