Full cast of The King: Eternal Monarch

Lee Min-ho

Lee Gon

16 episodes

Kim Go-eun

Jung Tae-eul / Luna

16 episodes

Woo Do-hwan

Jo Eun-sup / Jo-young

16 episodes

Kim Kyung-nam

Kang Shin-jae

16 episodes

Jung Eun-chae

Goo Seo-ryung / Goo Eun-ah

16 episodes

Lee Jung-jin

Lee Rim

16 episodes

Jeon Moo-song

Lee Jong-in / Prince Boo-young

16 episodes

Kim Yeong-ok

Noh Ok-nam

16 episodes

Jeon Bae-soo

Jung Do-in

16 episodes

Seo Jeong-yeon

Song Jung-hye

16 episodes

Park Won-sang

Park Moon-shik

16 episodes

Park So-jin

Jo Hae-in

16 episodes

Baek Hyun-joo

Lee Gon's Secretary

16 episodes

Kang Hong-suk

Jang Michael / Jang Mi-reuk

16 episodes

Kim Yong-ji

Myung Na-ri / Myung Seung-ah

16 episodes

Lee Hong-nae

Seok Ho-pil

16 episodes

An Si-ha

Kim Hee-joo

16 episodes

Choi Woo-sung

Kim Ki-won

16 episodes

Jung Hyeon-jun

Young Lee Gon / Lee Ji-hun

16 episodes

Kim Si-woo

Young Jung Tae-eul

16 episodes

Moon Woo-jin

Young Shin-jae / Kang Hyun-min

16 episodes

Noreen Joyce Guerra

Moon Seung-ih

16 episodes

Lee Hae-yeong

Yoo Kyung-moo

16 episodes

Yoon Ju-man

Young Yoo Kyung-moo

16 episodes

Hwang Young-hee

Min Hwa-yun / Park Sook-jin

16 episodes

Ryu Sung-rok

Kyu-bong

16 episodes

Heo Dong-won

Detective Shim

16 episodes

Song Sang-eun

Kyung-ran

16 episodes

Hwang Se-on

Park In-young

16 episodes

Shin Hyeon-jong

Lee Jung-hoon

16 episodes

Lee Hwang-eui

Prime Minster's Adviser

16 episodes

Kang Ki-doong

Secretary Kim

16 episodes

Jang Hae-min

Prime Minster's Staff

16 episodes

Kim Jung-young

Kim Sung-ae

16 episodes

Kwon Yul

Lee Ho (the late emperor, Lee Gon's father)

3 episodes

Yang Hyun-min

[Gambling boss]

3 episodes

Ko Dong-ok

[Gangster]

3 episodes

Tae In-ho

Choi Min Hwan

2 episodes

Moon Dong-hyeok

Park Jung Gu

2 episodes

Kim Gwi-seon

Park Mun-haeng

1 episode

Kim Dong-gyun

Kang Sin Jae's father

1 episode

Seo Woo-jin

Secretary Mo's son

1 episode