• 
  Jung-ah Yum

   Hong-joo
• 
  Sung-jae Lee

   Choi Hyeon-seo
• 
  Dal-hwan Jo

   Heo-ok
• 
  Hie-jin Jang

   Queen Sim
• 
  Sae-ron Kim

   Seo-ri
• 
  Shi-yoon Yoon

   Heo-joon
• 
  Yi-Kyeong Lee

   Yo-gwang
• 
  Si-Yang Kwak

   Poong-yeon

• 
  Sung-won Choi

   Dong-rae
• 
  Mi-seon Jeon

   Heo Ok's mother / ... (5 episodes, 2016)
• 
  Yeong-ae Kim

   Queen Yoon (5 episodes, 2016)
• 
  Ga-young Moon

   Sol-gae (6 episodes, 2016)
• 
  Do Hee Min

   Soon-deuk (6 episodes, 2016)
• 
  Hoi-Hyeon Yeo

   Crown Prince Soonhwe (6 episodes, 2016)
• 
  Hyuk-Poon Kwon

  15 episodes, 2016

• 
  Se-jin Park

  Yo-bi
• 
  Ji-Hoon Lee

  King Sunjo
• 
  Bok-in Yoon

  Mrs. Ok (Poong-yeon's mother)
• 
  Jong-Hoon Kim

  Bat-shwe
• 
  So-Hye Kim

  Mi-hyang