The Night Owl

Ryu Jun-yeol

as

Cheon Kyoung-su

Yoo Hai-jin

as

King Injo

Choi Moo-seong

as

Lee Hyung-ik

Cho Seong-ha

as

Lord Choi

Park Myung-hoon

as

Man-sik

Kim Sung-cheol

as

Crown Prince S...

Ahn Eun-jin

as

Consort Jo

Jo Yoon-seo

as

Crown Princess...

Lee Joo-won

as

Seok-cheol

Kim Yae-eun

as

Court Lady Seo

Jung Suk-won

as

Captain of the...

Ryu Sung-hyun

as

Senior physici...

Kim Seung-tae

as

Vassal 1

Shin Mun-sung

as

Third Royal Se...

Ahn Seong-bong

as

Envoy of Qing ...

Moon Seung-bae

as

Vassal 2

Kim Chae-won

as

Court Lady Choi

Kim Do-won

as

Kyoung-jae

Yang Hee-myoung

as

Physician 1

Kim Sang-wook

as

Eunuch

Bae Yong-geun

as

Herbal Shop Me...

Jang Tae-min

as

Doctor