• 
  Zach Aguilar

   Additional Voices (2 episodes, 2013)
• 
  Ben Diskin

   Wolf (3 episodes, 2013)
• 
  Bryce Papenbrook

   Staz Charlie Blood (2 episodes, 2013)
• 
  Matthew Mercer

   Vampire / ... (2 episodes, 2013)
• 
  Kira Buckland

   Hydra Bell (4 episodes, 2013)
• 
  Lucien Dodge

   Akim Papradon / ... (3 episodes, 2013)
• 
  Xanthe Huynh

   Fuyumi Yanagi (2 episodes, 2013)
• 
  Erica Mendez

   Henchman / ... (2 episodes, 2013)

• 
  Caitlin Chang

   Mayu (1 episode, 2013)
• 
  Yuka Nanri

   Liz T. Blood (7 episodes, 2013)
• 
  Tetsu Inada

   Franken Stein (5 episodes, 2013)
• 
  Chiwa Saito

   Mamejirou (8 episodes, 2013)
• 
  Ryohei Kimura

   Braz D. Blood (8 episodes, 2013)
• 
  Takuma Terashima

   Wolf (5 episodes, 2013)
• 
  Iori Nomizu

   Fuyumi Yanagi (11 episodes, 2013)

• 
  Kazutomi Yamamoto

   Yoshida (5 episodes, 2013)
• 
  Ryôta Ôsaka

   Staz Charlie Blood (11 episodes, 2013)
• 
  Sarah Emi Bridcutt

   Bell Hydra (9 episodes, 2013)
• 
  Taichi Komesu

   Deku (5 episodes, 2013)
• 
  Johnny Yong Bosch

  8 episodes, 2013
• 
  Max Mittelman

  5 episodes, 2013
• 
  Kyle Hebert

  5 episodes, 2013
• 
  Todd Haberkorn

  5 episodes, 2013
• 
  Erik Scott Kimerer

  6 episodes, 2013
• 
  Cristina Valenzuela

  8 episodes, 2013