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Ratchet becomes a threat to everyone after he injects himself with an experimental substance.
Peter Cullen
Optimus Prime (voice)
Jeffrey Combs
Ratchet (voice)
Frank Welker
Megatron (voice)
Tania Gunadi
Miko Nakadai (voice)
Josh Keaton
Jack Darby (voice)
Kevin Michael Richardson
Bulkhead (voice)
Ernie Hudson
Agent William Fowler (voice)
Andy Pessoa
Rafael "Raf" Esquivel (voice)
Sumalee Montano
Arcee (voice)
Nolan North
Smokescreen (voice)
Steve Blum
Starscream (voice)
Michael Ironside
Ultra Magnus (voice)
David Sobolov
Shockwave (voice)
Daran Norris
Knock Out (voice)