계백

Lee Seo-jin

Gyebaek

Lee Hyun-woo

Gyebaek (teen)

조재현

King Uija

Choi Won-hong

King Uija (child)

Noh Young-hak

King Uija (teen)

오연수

Sa Taek-bi

송지효

Eun-ko

Jeon Min-seo

Eun-ko (child)