• 
  Jason Nelson

  1 episode, 2016
• 
  Ji-ho Oh

   Mo Hwi-chul
• 
  Seong-jin Kang

   Go Joon-pil
• 
  Yun-a Oh

   Jang Joo-young
• 
  In-hye Lee

   Heo Jae-kyung
• 
  Hyun-chul Seo

   Gong Gil-ho
• 
  Park Jin Hee

   Go Gang-hee
• 
  Ji-Woo Kang

   Hong Sil-ra

• 
  Min-soo Park

   Hwang Jae-ha
• 
  Jung-eun Heo

   Mo Geum-bi
• 
  Kim Dae-Jong

   Kim Woo-hyun (2016) (unknown episodes)
• 
  Kim Do-Hyun

  Choi Jae-jin (2016)
• 
  Hae-yeon Kil

  Kim Young-ji (2016)
• 
  Ki-yeon Kim

  Goo Mi-ran (2016)
• 
  Nan-Hee Kim

  Kim Hee-young (2016)

• 
  Jin-hie Park

  Go Gang-hee