• 
  Eun-bin Park

  10 episodes, 2017-2018
• 
  Woo Jin Yeon

  10 episodes, 2017-2018
• 
  Daniel Joey Albright

  1 episode, 2017
• 
  Hyung-kyu Kim

  10 episodes, 2017-2018
• 
  Joon-seok Heo

  8 episodes, 2018
• 
  Hae-Ryung Na

  8 episodes, 2018
• 
  Deok-hwa Lee

  24 episodes, 2017-2018
• 
  Lee Moon-sik

  21 episodes, 2017-2018

• 
  Hae-suk Kim

  19 episodes, 2017-2018
• 
  Hyeon Woo

  23 episodes, 2017-2018
• 
  Hee-jung Kim

  23 episodes, 2017-2018
• 
  Byung-Chun Kim

  24 episodes, 2017-2018
• 
  Chang Wook Lee

  22 episodes, 2017-2018
• 
  Jo Jae-Ryong

  22 episodes, 2017-2018
• 
  Na-ra Oh

  20 episodes, 2017-2018

• 
  Hye Eun Lee

  21 episodes, 2017-2018
• 
  Hae-eun Lee

  21 episodes, 2017-2018
• 
  Byeong-chun Kim

   Chief Judge