• 
  Jung-seob Lee

  regizor

• 
  Baek Seung-Hwan

   Lee Yeok (young) (2017) (unknown episodes)
• 
  Dong-geon Lee

  King Yeonsangun
• 
  Ji-Won To

   Queen Junghyun (16 episodes, 2017)
• 
  Hyeong-seong Jang

   Shin Soo-geun (16 episodes, 2017)
• 
  Eun-seo Son

  Jang Nok-soo
• 
  Min-Young Park

   Shin Chae-kyung (14 episodes, 2017)
• 
  Chan-sung Hwang

   Seo Noh (13 episodes, 2017)

• 
  Woo Jin Yeon

   Lee Yeok (14 episodes, 2017)
• 
  Si-Eun Park

   Shin Chae-kyung (young) (4 episodes, 2017)
• 
  Minyoung Park

  14 episodes, 2017
• 
  Jeong-yeong Kim

  Chae-kyung's mother (2017)
• 
  Yoo-An Jung

  (2017)
• 
  Ki-Young Kang

  (2017)
• 
  Kim Min-Ho

  Baek Suk-hee (2017)

• 
  Sang-won Park

  Park Won-jong (2017)
• 
  Shin-il Kang

  Im Sa-hong (2017)
• 
  Ko Bo-Gyeol

  Myung Hye
• 
  Min Kyu Yoo

  Ki Ryong
• 
  Choi Jung Hoo

  Yi Yeok [Child]