• 
  Seung-won Cha

   Prince Gwanghae
• 
  Jae-won Kim

   King Injo
• 
  Yeon-hee Lee

   Princess Jeongmyeong
• 
  Min-ho Lee

  50 episodes, 2015
• 
  Kim Yeo-jin

  Kim Gae-shi
• 
  Chang-wan Kim

   Yi Won-ik
• 
  Won-sang Park

   Jang Bong-soo
• 
  Woong-in Jeong

   Lee Yi-chum

• 
  Sung Ha Jo

   Joo-Sun Kang (as Sung Ha Jo)
• 
  Sung-min Lee

   Yi Deok-hyeong
• 
  Seung-wook Kim

   Yi Hang-bok
• 
  Joo-wan Han

   Kang In-woo
• 
  Jong-hwan Choi

   Prince Imhae
• 
  Kang-Joon Seo

   Hong Joo-won
• 
  Ahn Do-Gyoo

   In-woo (Teen)

• 
  Tae-Hwan Lee

   Gwanghae (Teen)
• 
  Seong-hyeon Baek

   Crown Prince Sohyeon (2015)
• 
  Hyo-Seob Eom

   Hong Young (2015)
• 
  Min Seo Kim

   Soyong Jo (2015)
• 
  Chan-Hee Kang

   Ja Gyung (2015)
• 
  Joon-hee Song

  (1 episode, 2015)
• 
  Eun-Jeong Sin

  Queen Inmok
• 
  Chani

  Ja Gyung (2015)