Casts
Peter Cullen
Optimus Prime (voice)
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)
