• 
  In-beom Ko

  unknown episodes
• 
  Dong-il Song

   Han Se-sang
• 
  Deok-Hwan Ryu

   Jung Bo-wang
• 
  Tae-Sung Lee

   Min Yong-joon
• 
  Ara Go

   Park-Cha Oh-reum
• 
  Myung-soo Kim

   Im Ba-reun
• 
  Elliya Lee

   Lee Do-yeon
• 
  Nae-sang Ahn

  14 episodes, 2018

• 
  Yeong-ok Kim

  12 episodes, 2018
• 
  Won-jong Lee

  16 episodes, 2018
• 
  Sun-Cheon Park

  12 episodes, 2018
• 
  Cheol-min Lee

  14 episodes, 2018
• 
  Hong-Fa Kim

  9 episodes, 2018
• 
  Jong-ryol Choi

  Criminal Offender
• 
  Ha Seung-Youn

  Sign language interpreter