The King of Legend

Kam Woo-sung

as Prince Buyeo Gu

Kim Ji-soo

as Buyeo Hwa

Lee Se-eun

as Wi Hongran

Lee Jong-won

as King Sayu

Lee Ji-hoon

as Hae Gun

Lee In

as Ajikai

Ahn Jae-mo

as Jin Seung

Han Jung-soo

as Bok Gugeom

Lee Jong-soo

as Buyeo Chan

Kim Tae-hun

as Buyeo San

Han Jin-hee

as King Gye

Hahm Eun-jung

as Jin Ayi

Jung Ae-ri

as Soseono

Kim Eung-soo

as Jobul

Qri

as Princess Buyeo Jin

Lee Duck-hwa

as King Dongmyeongseong of Goguryeo

Jung Woong-in

as Wi Birang

Choi Myung-gil

as Hae-bi

Chang Gi-young