Missing Crown Prince

Suho

as

Lee Gun

Hong Ye-ji

as

Choi Myoung-yo...

Kim Min-kyu

as

Grand Prince D...

Myung Se-bin

as

Min Su-ryeon

Kim Ju-hun

as

Choi Sang-rok

Yoo Se-rye

as

Queen Yoon

Jeon Jin-oh

as

King Haejong

Cha Kwang-soo

as

Yoon Yi-gyeom

Kim Seol-jin

as

Gab-seok

Kim Sung-hyun

as

Han Sang Soo