| Peter Cullen | ..... | Optimus Prime, Ironhide, Slugslinger, Nightstick, Streetwise, Wingspan |
| Dan Gilvezan | ..... | Bumblebee/Goldbug, Hot Spot, Outback, Rollbar, Scamper, Snapdragon |
| Susan Blu | ..... | Arcee, Beta, Marissa Faireborn, Karen Fishook, Michelle |
| Michael Bell | ..... | Prowl, Bombshell, Brainstorm, First Aid, Gort, Junkion, Primon, Scrapper, Sideswipe, Swoop |
| Scatman Crothers | ..... | Jazz |
| Don Messick | ..... | Ratchet, Scavenger, Gears, |
| Casey Kasem | ..... | Bluestreak, Cliffjumper, Doctor Arkeville, Teletraan I |
| Corey Burton | ..... | Sunstreaker, Spike Witwicky, Shockwave, Vector Sigma, mladý Alpha Trion, Brawn, Dion, Wide Load |
| John Stephenson | ..... | Alpha Trion, Bosch, Devcon, Huffer, Kup, Thundercracker, Windcharger |
| Chris Latta | ..... | Starscream, Wheeljack, Defensor, Refrektoctor, Cobra Commander - Old Snake, Sparkplug Witwicky |
| Alan Oppenheimer | ..... | Beachcomber, Breakdown, Seaspray, Warpath, |
| Arlene Banas | ..... | Carly |
| Arthur Burghardt | ..... | Devastator |
| Hal Rayle | ..... | Snarl, Shrapnel, Sweep, Pipes, Primacron, Skuxxoid |
| Michael Chain | ..... | Hoist, Powerglide, Raoul, Red Alert |
| Neil Ross | ..... | Slag, Springer, Sixshot, Hook, Bonecrusher, Crosshairs, |
| Gregg Berger | ..... | Grimlock, Long Haul, Skyfire, Outback |
| Michael Horton | ..... | Chip Chase |
| Clive Revill | ..... | Kickback |
| Walker Edmiston | ..... | Inferno |
| Michael McConnohie | ..... | Tracks, Cosmos |
| Peter Renaday | ..... | Grapple, Lord Chumley |
| Jack Angel | ..... | Astrotrain, Ramjet, Ultra Magnus, Smokescreen, Cyclonus, Omega Supreme |
| Ed Gilbert | ..... | Blitzwing, Thrust, Superion |
| Paul Eiding | ..... | Perceptor |
| Bud Davis | ..... | Dirge, Metroplex, Predaking |
| Linda Gary | ..... | Alana, Chromia, Nancy |
| Roger C. Carmel | ..... | Bruticus, Menasor, Motormaster, Unicron |
| Ron Gans | ..... | Drag Strip |
| Charles Adler | ..... | Silverbolt, Triggerhappy, Vorath, Duros |
| Rob Paulsen | ..... | Air Raid, Slingshot, Fastlane, Haywire, Chase |
| Jeff MacKay | ..... | Fireflight |
| Milton James | ..... | Blast Off, Stylor |
| Ken Sansom | ..... | Hound |
| Wally Burr | ..... | Kremzeek |
| Philip L. Clarke | ..... | Dead End, Tantrum |
| Johnny Haymer | ..... | Swindle, Vortex, Caliburst, Highbrow, Recoil |
| Buster Jones | ..... | Blaster, Chief Turan |
| Marlene Aragon | ..... | Elita One/Ariel |
| Terence McGovern | ..... | Onslaught, Wildrider |
| Laurie Faso | ..... | Orion Pax, Skydive, Rampage, Divebomb |
| Tony St. James | ..... | Brawl, Blot, Cutthroat, Spasma |
| Regis Cordic | ..... | Menasor, Quintesson Judge 1, Quintesson Judge Deliberata, Quintesson Prosecutor |
| Steve Bulen | ..... | Onslaught, Peacemaker, Searchlight, Strafe, Sureshot |
| Tony Pope | ..... | Wreck-Gar, A3, Inquirata |
| Stan Jones | ..... | Scourge, Misfire, Pounce, Weirdwolf, Lord Zarak |
| Beau Weaver | ..... | Octane |
| David Mendenhall | ..... | Daniel Witwicky |
| Leonard Nimoy | ..... | Galvatron |
| Jim Cummings | ..... | Sharkticon, Afterburner, Rippersnapper |
| Brad Garrett | ..... | Trypticon |
| Aron Kincaid | ..... | Sky Lynx, Dr. Mark Morgan, Allicon |
| Roger Behr | ..... | Runabout, Runamuck |
| John Hostetter | ..... | Ramhorn |
| Jerry Houser | ..... | Sandstorm, Junkyard, Sweep |
| Maurice LaMarche | ..... | Six-Gun |
| Marshall Efron | ..... | Hun-Gurrr |
| Jered Barclay | ..... | Cerebros, Sinnertwin, Gregory Swofford |
| Richard Gautier | ..... | Hot Rod/Rodimus Prime, Apeface, Firebolt |
| Morgan Lofting | ..... | Firestar, Moonracer, |
| S. Marc Jordan | ..... | Onslaught |
| John Moschitta | ..... | Blurr, Punch/Counterpunch, Blowpipe |
| Ron Feinberg | ..... | Headstrong |
| Joe Leahy | ..... | Razorclaw |
| David Workman | ..... | Nosecone, Sinnertwin |
| Danny Mann | ..... | Lightspeed, Cloudraker, Freeway, Spoilsport |
| Stephen Keener | ..... | Fortress Maximus, Mindwipe, Scattershot, Scorponok, Hun-Grrr, Hardhead |
| Bert Kramer | ..... | Computron |
| Jim Gosa | ..... | Abominus |
| Ted Schwartz | ..... | Rodimus Prime, Tailgate |
| Frank Welker | ..... | Megatron, Sludge, Soundwave, Mini-Cassette, Chromedome, Mirage, Mixmaster, Wheelie, Trailbreaker |