Scarlet Heart: Ryeo Season 1 Characters & Cast — No Spoilers
Every character in Scarlet Heart: Ryeo season 1 with photos and the actors who play them, including IU, Lee Joon-gi, Kang Ha-neul — spoiler-free, nothing from later seasons.
- Go Hajin / Lady Hae Soo — played by IU
- Wang So (4th Prince) — played by Lee Joon-gi
- Wang Wook (8th Prince) — played by Kang Ha-neul
- Wang Yo (3rd Prince) — played by Hong Jong-hyun
- Wang Eun (10th Prince) — played by Baekhyun
- Wang Baeka (13th Prince) — played by Nam Joo-hyuk
- Wang Jeong (14th Prince) — played by Kim Ji-soo
- Wang Won (9th Prince) — played by Yoon Sun-woo
- Wang Mu (Crown Prince / 1st Prince) — played by Kim San-ho
- Princess Woohee — played by Seohyun
- Princess Hwangbo Yeonhwa / Queen Daemok — played by Kang Han-na
- Chaeryeong — played by Jin Ki-joo
- Park Soondeok — played by Ji Hye-ran
- General Park Soogyeong — played by Sung Dong-il
- Choi Jimong / Homeless Man — played by Kim Sung-kyun
- King Taejo — played by Jo Min-ki
- Shincheon Kang — played by Kim Kang-il
- Queen Yoo / Queen Shinmyeong — played by Park Ji-young
- Wang Shikryeom — played by Park Jeong-hak
- Court Lady Oh Sooyeon — played by Woo Hee-jin
All seasons of Scarlet Heart: Ryeo: full spoiler-free character guide