• 
  Minyoung Park

  20 episodes, 2015-2016
• 
  Seung Ho Yoo

  Seo Jin-woo
• 
  Jin-hie Han

   Nam Il-ho
• 
  Bo-bae Han

   Oh Jung-ah
• 
  Won-jong Lee

   Suk Joo-il
• 
  Gung-Min Nam

   Nam Gyoo-man
• 
  Seung Ho Yoo

   Seo Jin-woo
• 
  In-gi Jeong

   In-ah's Father

• 
  Hyo-Seob Eom

   Prosecutor Hong Moo-suk
• 
  Seong-Woong Park

   Park Dong-ho
• 
  Kwang-ryul Jun

   Seo Jae-hyuk
• 
  Min-Young Park

   Lee In-ah
• 
  Si-eon Lee

   Section Chief Ahn
• 
  Hye-Seong Jung

   Nam Yeo-kyung
• 
  Hyeon-suk Park

  (4 episodes, 2015)

• 
  Sang-hun Maeng

   Jung-ah's father (4 episodes, 2015)
• 
  Hyeong-beom Kim

   Song Jae-ik (4 episodes, 2015)
• 
  Kim Jin Woo

   Kang Suk-kyu (3 episodes, 2015)
• 
  Kwang-ryul Jun

   Seo Jae-hyuk (10 episodes, 2015-2016)
• 
  Young-Woong Kim

  18 episodes, 2015-2016
• 
  Jung Eun Lee

  Yeon Bo-Mi