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