• 
  Zachary Bennett

  Biffy Goldstien
• 
  David Berni

   Chaz Moneranian (21 episodes, 2011-2012)
• 
  Seán Cullen

  Principal General Barrage
• 
  Fab Filippo

   Camillio Martinez (27 episodes, 2011-2012)
• 
  Helene Joy

   Vice Principal Victoria (18 episodes, 2012)
• 
  Julie Lemieux

   Greta / ... (17 episodes, 2011-2013)
• 
  Ryan Belleville

  Holger Holgaart
• 
  Melanie Leishman

   Brandy Silver (24 episodes, 2011-2012)

• 
  Krystal Meadows

   Tina Kwee (26 episodes, 2011-2012)
• 
  Brian Froud

   Lynch (16 episodes, 2011-2012)
• 
  Jonathan Tan

  Lee Ping
• 
  Marjorie Chan

  Mrs. Ping
• 
  Stacey DePass

  Jennifer Jergens
• 
  Robert Tinkler

  Brad Von Chillstein
• 
  Lyon Smith

  Irwin Dexter

• 
  Terry McGurrin

  Stinky
• 
  Dan Petronijevic

  Cyrus Xavier
• 
  Christian Potenza

  Ned