Casts
Peter Cullen
as Optimus Prime (voice)
Frank Welker
as Megatron / Terrorcon (voice)
Steve Blum
as Starscream / Darksteel (voice)
Jeffrey Combs
as Ratchet (voice)
Will Friedle
as Bumblebee (voice)
James Horan
as Wheeljack (voice)
Michael Ironside
as Ultra Magnus (voice)
Peter Mensah
as Predaking (voice)
Sumalee Montano
as Arcee (voice)
John Noble
as Unicron (voice)
