John Noble
Unicron (voice)
Michael Ironside
Ultra Magnus (voice)
Frank Welker
Megatron (voice)
Nolan North
Smokescreen (voice)
Peter Cullen
Optimus Prime (voice)
Kevin Michael Richardson
Bulkhead (voice)
Jeffrey Combs
Ratchet (voice)
Daran Norris
Knock Out (voice)
Sumalee Montano
Arcee (voice)
Peter Mensah
Predaking (voice)
Will Friedle
Bumblebee (voice)
James Horan
Wheeljack (voice)
David Sobolov
Shockwave (voice)