• 
  Franciska Friede

  25 episodes, 2017
• 
  Megumi Han

   Atsuko 'Akko' Kagari (unknown episodes)
• 
  Noriko Hidaka

  Professor Ursula
• 
  Arisa Shida

  Amanda O'Neill
• 
  Eri Nakao

   Hannah (10 episodes, 2017)
• 
  Chinatsu Akasaki

   Barbara (10 episodes, 2017)
• 
  Jessica Gee

   Holbrook (14 episodes, 2017)
• 
  Karen Kahler

   Finnelan / ... (18 episodes, 2017)

• 
  Alexis Nichols

  Shiny Chariot, Professor Ursula
• 
  Fumiko Orikasa

   Lotte Yanson 23 episodes, 2017
• 
  Stephanie Sheh

   Lotte Yanson 23 episodes, 2017
• 
  Marianne Miller

   Amanda O'Neill 11 episodes, 2017
• 
  Yôko Hikasa

   Diana Cavendish 18 episodes, 2017
• 
  Laura Post

   Diana Cavendish 17 episodes, 2017
• 
  Erica Mendez

   Akko Kagari 25 episodes, 2017

• 
  Rachelle Heger

   Sucy Manbavaran 22 episodes, 2017
• 
  Michiyo Murase

   Sucy Manbavaran 22 episodes, 2017
• 
  Junko Takeuchi

  11 episodes, 2017
• 
  Ikuko Tani

  14 episodes, 2017
• 
  Rurika Yamamoto

  13 episodes, 2017