• 
  Tae-Joon Choi

  (unknown episodes)
• 
  Deok-hwa Lee

   Byun Young-hee (35 episodes, 2017)
• 
  Ji-hyeon Nam

   Eun Bong-hee (40 episodes, 2017)
• 
  Chang-wook Ji

   No Ji-wook (40 episodes, 2017)
• 
  Hyung-kyu Kim

   Jung Hyun-soo / ... (29 episodes, 2017)
• 
  Na-ra Kwon

   Cha Yoo-Jung (40 episodes, 2017)
• 
  Ju-hyeong Jin

  40 episodes, 2017
• 
  Kim Ye Won

  Na Ji-Hae

• 
  Jang Hyuk-Jin

  Prosecution Investigation Officer Bang
• 
  Ye-June Kim

  Kim Jae-Hong
• 
  Kyu-Young Park

  Park So-Young
• 
  Chan-sung Hwang

  Jang Hee-joon
• 
  Han-kyul Oh

  No Ji Wook (young)
• 
  Shi-ah Lee

  Lee Na-Eun
• 
  Kim Soo-Oh

  Eun Hyuk's client's son