• 
  Irineo Maramba

  regizor

• 
  Marty Isenberg

  scenarist

• 
  David Kaye

  Optimus Prime
• 
  Corey Burton

  Ratchet
• 
  Bumper Robinson

  Bumblebee
• 
  Bill Fagerbakke

  Bulkhead
• 
  Jeff Bennett

  Prowl
• 
  Tara Strong

  Sari Sumdac

• 
  Lance Henriksen

  Lockdown
• 
  Peter Stormare

  Meltdown  (3 episodes, 2008)
• 
  Kath Soucie

  Professor Princess  (2 episodes, 2008)
• 
  Susan Blu

  Arcee  (4 episodes, 2008-2009)
• 
  Cree Summer

  Blackarachnia  (6 episodes, 2007-2009)
• 
  George Takei

  Yoketron (1 episode, 2009)
• 
  Kevin Michael Richardson

  Omega Supreme (1 episode, 2008)

• 
  Judd Nelson

  Rodimus Prime (1 episode, 2009)
• 
  'Weird Al' Yankovic

  Wreck-Gar  (2 episodes, 2008-2009)
• 
  Phil LaMarr

  Jazz  (12 episodes, 2008-2009)
• 
  Tom Kenny

  Isaac Sumdac  (36 episodes, 2007-2009)
• 
  Brian Posehn

  Nanosec  (2 episodes, 2008)
• 
  Fred Willard

  Swindle (2 episodes, 2008-2009)
• 
  Alexander Polinsky

  Headmaster  (4 episodes, 2008-2009)
• 
  Townsend Coleman

  Sentinel Prime  (13 episodes, 2007-2009)