• 
  Hwa-Young Im

  Oh Gwang-Sook
• 
  Gung-Min Nam

   Kim Gwan-chul (unknown episodes)
• 
  Sang-mi Nam

   Yoon Ha-Kyung (20 episodes, 2017)
• 
  Won-hae Kim

   Choo Nam-ho (20 episodes, 2017)
• 
  Jun-Ho Lee

   Seo Yool (20 episodes, 2017)
• 
  Hye-Seong Jung

   Hong Ga-eun (19 episodes, 2017)
• 
  Kang-hyeon Kim

  20 episodes, 2017
• 
  Hye Rin Ryu

  Bing Hee Jin

• 
  Yeong-gyu Park

  Park Hyun-Do
• 
  Hyung-kyu Kim

  Park Myung-Suk
• 
  Moon-Sung Jung

  Han Dong-Hoon
• 
  Hyun-Shik Jo

  Won Ki-Ok
• 
  Sun-ho Kim

  Sun Sang-Tae
• 
  Jung-Yeon Seo

  Jo Min-Young
• 
  Ik-Ryeong Jeon

  Soo Jin

• 
  Seok-yong Jeong

  Ko Man Geun
• 
  Jae-hwa Kim

  Na Hee Yong
• 
  Min-sang Kim

  Lee Gang Shik