Full cast of Missing Crown Prince

Suho

Lee Gun

20 episodes

Hong Ye-ji

Choi Myoung-yoon

20 episodes

Kim Min-kyu

Grand Prince Doseong

20 episodes

Myung Se-bin

Min Su-ryeon

20 episodes

Kim Ju-hun

Choi Sang-rok

20 episodes

Yoo Se-rye

Queen Yoon

20 episodes

Jeon Jin-oh

King Haejong

20 episodes

Cha Kwang-soo

Yoon Yi-gyeom

20 episodes

Kim Seol-jin

Gab-seok

20 episodes

Kim Sung-hyun

Han Sang Soo

20 episodes

Choi Sia

Seon-ok

20 episodes

Park Sung-woo

Heo Jin Su

1 episode

Moon Ki-young

[Court lady]

1 episode