Frank Welker Megatron, Soundwave, Laserbeak, Ravage, Rumble, Skywarp, Trailbreaker, Mirage, Sludge, Jeff, Frenzy, Mixmaster, Buzzsaw, Nitro, Booper, Poplock, Hector Ramirez, Blades, Groove, Galvatron, Chromedome, Pinpointer Voice Peter Cullen Optimus Prime, Ironhide, Joe, Halonix Maximus, Frankenstein's Monster, Tlaloc, C.B. Radio, Streetwise, It, Wingspan, Slugslinger, Nightstick Voice Corey Burton Shockwave, Spike Witwicky, Sunstreaker, Brawn, Beorht, Harold Edsel, Vector Sigma, Dr. Rickel, Dion, Alpha Trion, Rage Quintesson, Custodiobot, Mara-Al-Utha, Chief Lanargan, Wideload Voice Chris Latta Starscream, Wheeljack, Reflector, Sparkplug Witwicky, Viewfinder, Phil Geddis, Furg, Dag, Defensor, Sweep, Slammer, Cobra Commander, Yamanote Engineer, Krunk, Skullcruncher Voice John Stephenson Thundercracker, Huffer, Windcharger, Dr. Alcazar, Autobot X, Professor Hayley, Winston, Larry, Bosch, Devcon, Alpha Trion, Kup Voice Jack Angel Ramjet, Smokescreen, Astrotrain, Omega Supreme, Sir Wulf, Breakdown, Professor Terranova, Ultra Magnus, Sweep, Death Quintesson, Sentinel Prime, Basso Profundo, Lanargan, Omega Supreme, Katsu Don, Cyclonus, Arcana Voice Dan Gilvezan Bumblebee, Skids, Hot Spot, Mr. Robbins, Outback, Scamper, Gold Bug, Rollbar, Snapdragon Voice Michael Bell Prowl, Sideswipe, Swoop, Scrapper, Bombshell, Igor, Dr. Fujiama, Possom Brown, First Aid, Primon, Junkion, Space-Age Jack, Brainstorm, Gort Voice Casey Kasem Cliffjumper, Teletraan I, Bluestreak, Dr. Arkeville, Clothes Horse, Dread Slaves Voice Don Messick Ratchet, Gears, Scavenger, Kremzeek Voice Scatman Crothers Jazz Voice Dick Gautier Rodimus Prime, Sweep, Quintesson Scientist, Hot Rod, Xetaxxin, Apeface, Firebolt Voice Andy Kim Director Bob Kirk Director Al Kouzel Director Terry Lennon Director Bob Matz Director Norm McCabe Director David Wise Writer Donald F. Glut Writer Douglas Booth Writer Earl Kress Writer Michael Charles Hill Writer George Singer Producer John Walker Producer Gwen Wetzler Producer Kenichi Morohashi Producer