• 
  Jung-Hyun Kim

  Hyun Tae Woon
• 
  Dong-Yoon Jang

  Song Dae Hwi
• 
  Se-Jeong Kim

  Ra Eun Ho
• 
  Mi-ryeong Cho

   Jang So-ran (2017) (unknown episodes)
• 
  Joo-wan Han

  16 episodes, 2017
• 
  Sun Hwa Han

  16 episodes, 2017
• 
  Seo Ji-Hoon

  14 episodes, 2017
• 
  Se-wan Park

  16 episodes, 2017

• 
  In-ah Seol

  Hong Nam Joo
• 
  Hye-ran Ji

   Yoo Bit Na
• 
  Dong-Joo Jang

   Sin Joon-gyoo
• 
  Bo-bae Han

   Seo Bo-Ra
• 
  Kim Soo-Oh

  Im Joon Ki
• 
  Hee-jung Kim

  Eun-ho's mother (2017)
• 
  Eung-soo Kim

  Yang Do-jin (2017)

• 
  Jae-yong Lee

  Koo Young-koo (2017)
• 
  Jong-won Lee

  Hyun Kang-woo (2017)
• 
  Cheol-min Park

  Park Myung-deok (2017)
• 
  Ji-ru Sung

  Eun-ho's father (2017)