• 
  Ha Ji-Won

  Ji-Won
• 
  Han Ji-min
• 
  Noo-Ri Bae

  (unknown episodes)
• 
  Sean Richard Dulake

  (10 episodes, 2016)
• 
  Ki-young Lee

   Mr. Park (5 episodes, 2016)
• 
  Justin Chon

   Seth Ko (10 episodes, 2016)
• 
  Ki-Sun Kwon

   Mrs. Park (9 episodes, 2016)
• 
  Sa Hee

   Ga-in (10 episodes, 2016)

• 
  Liv Hewson

   Claire Duncan (10 episodes, 2016)
• 
  Bae Nu Ri

   Seo-yeon (10 episodes, 2016)
• 
  Do-Hwan Woo

   Do-hwan / ... (9 episodes, 2016)
• 
  Henry Lau

  U-seong
• 
  Gi-yeong Lee

  Mr. Park
• 
  Jimmy Shubert

  Phil Duncan
• 
  Sam Hammington

  Robber