Jung Hae-in

as Kim Ho

Kim Ji-hoon

as Lee In-jwa

Lee Won-jong

as Man-seok

Jo Jae-yun

as Do Man-cheol

Hong Soo-ah

as Yun Seo-yeong

Ryu Tae-joon

as King Yeong-jo

Hong Seung-jin

as Yun Ju-sik

Kwon Hae-sung

as Choe Jung-gu

Lee Kyu-bok

as Yu Il-un

Jeon Seong-ryeol

as Kim Seong-sik

Geum Dan-bi

as Queen Dowager

Jung Ji-hoon

as Dong-seok

Lee Tae-geom

as Scholar

Park Cheol-min

as Hwang Jin-gi

Lee Jae-yong

as First Vice-premier

Lee Hae-yeong

as Uigeumbu Head

Song Min-hyung

as Merchant

Kim Ik-tae

as Chief Royal Secretary

Lee Cheol-min

as Ok Sa-jang

Park No-shik

as Ironmonger

Lee Seung-bi

as Mother

Choo Sang-Rok

as Disguised Eunuch

Keum Dan-bi

as Queen Dowager

Park Ho-san

as [Royal investigation bureau judge]