• 
  Ji-ho Oh

   Yoon Cheo-yong (7 episodes, 2014)
• 
  Seung-mok Yoo

   Byeon Kook-jin (10 episodes, 2014)
• 
  Je-wook Yeon

   Lee Jong-hyun (7 episodes, 2014)
• 
  Ji-eun Oh

   Ha Sun-woo (7 episodes, 2014)
• 
  Jun Hyo-Seong

   Han Na-young (7 episodes, 2014)
• 
  Min Kyu Yoo

   Park Min-jae (6 episodes, 2014)
• 
  Jin-Mo Joo

  10 episodes, 2015
• 
  Kwon Kim

  10 episodes, 2015

• 
  Yeon-joo Ha

  10 episodes, 2015
• 
  Hyeon-Soo Yeo

  Han Gyu-hyuk
• 
  Soo-hee Jung

  Medical Examiner
• 
  Jung-soo Moon

  Dog Nose
• 
  Duek-mun Choi

  Yang Soo-hyuk
• 
  Seong-hyeon Baek

  Jang Dae-suk
• 
  Ki-hwa Kang

  Min Ju-yeon

• 
  Seong-woo Bae

  Chang Chul-ho
• 
  Jong-ho Song

  Nam Min-soo
• 
  Ji-an Jun

  Kim Hye-sun
• 
  Yeong-jae Kim

  Doctor