Full cast of The Impossible Heir

Lee Jae-wook

Han Tae-oh

12 episodes

Lee Jun-young

Kang In-ha

12 episodes

Hong Su-zu

Na Hye-won

12 episodes

Choi Hee-jin

Kang Hui-ju

12 episodes

Han Sang-jin

12 episodes

Lee Ji-hoon

12 episodes

Lee Hwang-eui

12 episodes

Kim Young-ju

Yoon Hyang-mi

12 episodes

Heo Nam-jun

Ha Myung-Jin

12 episodes

Kim Ji-na

Host Club Manager

12 episodes

Woo Hyeon

Village chief

1 episode