Empress Ki

Ha Ji-won

as Ki Seung Nyang (Empress Ki)

Ju Jin-mo

as Wang Yoo (King Choong Hye of Goryeo)

Ji Chang-wook

as Ta Hwan (Emperor Huizong of Yuan)

Jin Yi-han

as Tal Tal

Baek Jin-hee

as Tanashiri (Empress Tanashiri)

Jeon Kuk-hwan

as El Temur

Im Joo-eun

as Bayan Khutugh

Lee Won-jong

as Dokman

Han Hye-rin

as Lady Park

Kim Young-ho

as Bayan

Kim Seo-hyung

as Budashiri (Empress Dowager)

Yoo In-young

as Yeon Bisu

Kim Jeong-hyeon

as Tangqishi

Seo Yi-sook

as Lady Seo

Lee Jae-yong

as Wang Go

Kwon Oh-joong

as Choi Moo-song

Jung Woong-in

as Yeom Byung-soo

Jo Jae-yun

as Kolta

Choi Moo-seong

as Park Bul-hwa

Jung Ji-so

as Ki Seung Nyang (young)

Lee Ji-hyun

as Hong Dan

Kim Moo-young

as Na Mu [Ta Hwan's escort warrior]

Kim Jin-sung

as Prince Ma Ha

Bae Geon-woo

as Palla Chubmokah [Ta Hwan’s cousin]

Shim Min

as Court Lady

Lee Yang-hee

as Bang Jin

Son Kwang-Eop

as Mak Son [Assassin]

Jung-sung Lee

as Kim Soon Jo [The penitentiary of Goryeo]

Kim Min-Seo

as Ha Yool

Jang Soon Gook

as Seol Do Gan

Kwon Tae-won

as Chung Suk [former king of Goryeo / Wang Yoo's father]

Ahn Do-gyu

as Wang Yu [Young]

Shin Seung-hwan

as Kkoe Bo

Lee Eung-kyung

as Court Lady Noh

Shim Yi Young

as [Fortune teller] (Ep. 28)

Oh Kwang-rok

as Heuk Soo [Merchant/Slave Trader]

Ryu Hyun-kyung

as Princess Kyeong-hwa - The Queen of King Chung-sook

Kim Ye-ryeong

as Lady Lee [Seung Nyang's mother]

Kim Myung-soo

as Ki Ja Oh [Seung-nyang's father, the head of a full-time army]

Jeong Jae Min

as [Dying prince]

Jung Byung Ho

as Joo Gook Cheong [Court Minister]

Kim Jin Woo

as Imperial Prince Ayushiridara

Park Hae-mi

as [Shaman] (Ep. 34-35)

Jeon Jin-gi

as [Yuan Envoy]

Seo Beom-sik

as [Buddhist monk]

Kim Jin Ho

as [Inju Branch]

Park Sun-woo

as [Maebak Column Head]

Kim Hyo Myung

as [Man]

Son Jin-ho

Go Jin Myung

Han Seo-yeon

as [Gisaeng]