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