Full cast of Scarlet Heart: Ryeo

IU

Go Hajin / Lady Hae Soo

20 episodes

Lee Joon-gi

Wang So (4th Prince)

20 episodes

Kang Ha-neul

Wang Wook (8th Prince)

20 episodes

Hong Jong-hyun

Wang Yo (3rd Prince)

20 episodes

Baekhyun

Wang Eun (10th Prince)

20 episodes

Nam Joo-hyuk

Wang Baeka (13th Prince)

20 episodes

Kim Ji-soo

Wang Jeong (14th Prince)

20 episodes

Yoon Sun-woo

Wang Won (9th Prince)

20 episodes

Kim San-ho

Wang Mu (Crown Prince / 1st Prince)

20 episodes

Seohyun

Princess Woohee

20 episodes

Kang Han-na

Princess Hwangbo Yeonhwa / Queen Daemok

20 episodes

Jin Ki-joo

Chaeryeong

20 episodes

Ji Hye-ran

Park Soondeok

20 episodes

Sung Dong-il

General Park Soogyeong

20 episodes

Kim Sung-kyun

Choi Jimong / Homeless Man

20 episodes

Jo Min-ki

King Taejo

20 episodes

Kim Kang-il

Shincheon Kang

20 episodes

Park Ji-young

Queen Yoo / Queen Shinmyeong

20 episodes

Park Jeong-hak

Wang Shikryeom

20 episodes

Woo Hee-jin

Court Lady Oh Sooyeon

20 episodes

Park Si-eun

Lady Hae Myeong

20 episodes

Jung Kyung-soon

Queen Hwangbo / Queen Shinjeong

20 episodes

Choi Byung-mo

Park Younggyu

20 episodes

Lee Ho-jung

Aera

20 episodes

Byeon Woo-seok

Ha-jin's Boyfriend

1 episode

Jang Hae-min

Soo's friend

1 episode

Lee Chae-mi

Wang Mu's daughter

1 episode

Seo Eun-sol

So & Soo's daughter

1 episode