The Autobots must stop a colossal planet-consuming robot who goes after the Autobot Matrix of Leadership. At the same time, they must defend themselves against an all-out attack from the Decepticons.
Hot Rod / Rodimus Prime (voice)
Judd Nelson
Optimus Prime / Ironhide (voice)
Peter Cullen
Soundwave / Megatron / Rumble / Frenzy / Wheelie (voice)
Frank Welker
Galvatron (voice)
Leonard Nimoy
Unicron (voice)
Orson Welles
Cliffjumper (voice)
Casey Kasem
Bumblebee (voice)
Dan Gilvezan
Jazz (voice)
Scatman Crothers
Arcee (voice)
Susan Blu
Wreck-Gar (voice)
Eric Idle
Ultra Magnus (voice)
Robert Stack
Kranix (voice)
Norman Alden
Astrotrain (voice)
Jack Angel
Prowl / Scrapper / Swoop / Junkion (voice)
Michael Bell
Grimlock (voice)
Gregg Berger
Kup (voice)
Lionel Stander
Blurr (voice)
John Moschitta Jr.
Blaster (voice)
Buster Jones
Dirge (voice)
Bud Davis
Inferno (voice)
Walker Edmiston
Perceptor (voice)
Paul Eiding
Bonecrusher / Hook / Springer / Slag (voice)
Neil Ross
Spike / Brawn / Shockwave (voice)
Corey Burton
Cyclonus / Quintesson Leader (voice)
Roger C. Carmel
Devastator (voice)
Arthur Burghardt
Gears (voice)
Don Messick
Blitzwing (voice)
Ed Gilbert
Kickback (voice)
Clive Revill
Shrapnel (voice)
Hal Rayle
Daniel (voice)
David Mendenhall
Narrator (voice)
Victor Caroli
Scourge (voice)
Stan Jones
Starscream (voice)
Christopher Collins