Character

• Lee Yo Won as Princess Duk Man, later Queen Seon Duk
  
  • Nam Ji Hyun as young Princess Duk Man
  
  
• Ko Hyun Jung as Lady Mi Shil
  
  • UEE as young Mi Shil
  
  
• Uhm Tae Woong as Kim Yoo Shin
  
  • Lee Hyun Woo as young Kim Yoo Shin

Extended Cast

• Park Ye Jin as Princess Chun Myung
  
  • Shin Se Kyung as young Princess Chun Myung
  
  
• Kim Chun Chu (Chun Myung and Kim Yong Soo's son)
  
  
• Kim Nam Gil as Bi Dam (King Jinji and Mi Shil's son)
  
  • Park Ji Bin as young Bi Dam
    
  
  
• Lee Seung Hyo as Alcheon
  
  • Ho Hyo Hoon (호효훈) as young Alcheon
    
  
  
• Jung Ho Bin as Moon No (the 8th leader of Hwarang Warriors)
  
  
• Jo Min Ki as King Jinpyeong (Duk Man and Chun Myung's father)
  
  
  • Baek Jong Min as young Jinpyeong
    
    • Kang San as child Jinpyeong
  
  
• Yoon Yoo Sun as lady Ma Ya (King Jinyeong's wife)
  
  • Park Soo Jin as young Ma Ya
    
  
  
• Seo Young Hee as So Hwa
  
  
• Im Ye Jin as Lady Man Myeong (Jipyeong's sister; Kim Yoo Shin's mother)
  
  
• Jung Sung Mo as Kim Seo Hyun (Man Myeong's husband; Kim Yoo Shin's father)
  
  
• Park Jung Chul as Kim Yong Soo (King Jinji's eldest son; Princess Chun Myung's husband)
  
  
• Do Yi Sung as Kim Yong Choon (King Jinji's 2nd son)
  
  
• Shin Goo as Eul Je
  
  
• Lee Soon Jae as King Jin Heung (ep1)
  
  
• Im Ho as King Jinji(ep1)
  
  
• Jung Woong In as Mi Saeng (Mi Shil's younger brother; the 10th leader of Hwarang Warriors)
  
  
• Dok Go Young Jae as Se Jong (Mi Shil's husband; the 6th leader of Hwarang Warriors)
  
  
• Jun Noh Min as Seol Won (Mi Shil's lover; the 7th leader of Hwarang Warriors)
  
  
• Kim Jung Hyun as Ha Jong (Mi Shil and Se Jong's son; the 11th leader of Hwarang Warriors)
  
  
• Baek Do Bi as Bo Jong (Mi Shil and Seol Won's son)
  
  • Kwak Jung Wook as young Bo Jong
  
  
• Song Ok Sook as Seo Ri
  
  
• Ahn Kil Kang as Chil Sook
  
  
• Lee Moon Shik as Jook Bang
  
  
• Ryu Dam as Go Do
  
  
• Kang Sung Pil as San Tak
  
  
• Joo Sang Wook as Wol Ya
  
  
• Jung Ho Geun as Seol Ji
  
  
• Jun Young Bin as Gok Sa Heun
  
  
  • Jung Hyung Min (정형민) as young Gok Sa Heun
  
  
• Park Young Seo as Dae Pung
  
  • Lee Suk Min (이석민) as young Dae Pung
  
  
• Go Yoon Hoo as Ho Jae (the 14th leader of Hwarang Warriors)
  
  
• Hong Kyung In as Seok Pum
  
  • No Young Hak as young Seok Pum
  
  
• Kang Ji Hoo as Im Jong
  
  • Kim Suk as young Im Jong
  
  
• Suh Dong Won as Deok Chung
  
  • Lee Do Hyun as young Deok Chung
  
  
• Jang Hee Woong as Bakui
  
  • Seo Sang Won as young Bakui
  
  
• Lee Sang Hyun as Pil Tan
  
  • Kim Tae Jin (김태진) as young Pil Tan
  
  
• Kim Dong Hee as Wang Yoon
  
  • Choi Woo Sung (최우성) as young Wang Yoon
    
  
  
• Ryu Sang Wook as Dae Nam Bo
  
  • Kim Sang Bin (김상빈) as young Dae Nam Bo
    
  
  
• Kim Dong Soo as Hyeop Seong
  
  
• Moon Ji Yoon as Si Yeol
  
  • Shin Tae Hoon (신태훈) as young Si Yeol
    
  
  
• Choi Sung Jo as Seon Yeol
  
  • Oh Eun Suk (오은석) as Young Seon Yeol
    
  
  
• Jung Hye Sun as Lady Man Ho (Jinpyeong and Man Myeong's mother)
  
  
• Park Eun Bin as Bo Rang (Bo Jong's daughter; Kim Chun Chu's wife)
  
  
• Qri (큐리) as Young Mo (Ha Jong's daughter; Kim Yoo Shin's wife)
  
  
• Park Jae Jung as Sa Da Ham (Mi Shil's first love; cameo, ep13)