John Stephenson
Thundercracker / Windcharger / Huffer (98 eps)
Peter Cullen
Optimus Prime / Streetwise / Nightstick / Slugslinger / Wingspan (97 eps)
Christopher Collins
Starscream / Wheeljack / Sparkplug / Reflector (97 eps)
Michael Bell
Prowl / Bombshell / Sideswipe/ Swoop (96 eps)
Frank Welker
Megatron (voice) / Soundwave (voice) (95 eps)
Corey Burton
Spike Witwicky / Sunstreaker / Brawn (95 eps)
Jack Angel
Ultra Magnus (voice) / Cyclonus (voice) (95 eps)
Victor Caroli
Narrator (voice) (95 eps)
Dan Gilvezan
Bumblebee (voice) (95 eps)
Neil Ross
Bonecrusher / Hook / Slag (95 eps)
Don Messick
Ratchet / Gears / Scavenger (94 eps)
Gregg Berger
Grimlock (voice) (94 eps)
Hal Rayle
Snarl / Shrapnel / Pipes (92 eps)
Casey Kasem
Cliffjumper / Bluestreak / Teletraan 1 (92 eps)
Scatman Crothers
Jazz (voice) (92 eps)
Ken Sansom
Hound (92 eps)
Clive Revill
Kickback (92 eps)
Michael Horton
Chip Chase (92 eps)
Ed Gilbert
Thrust / Blitzwing / Superion (80 eps)
Jim Cummings
Afterburner / Rippersnapper (79 eps)
Peter Renaday
Grapple (79 eps)
Regis Cordic
Menasor (79 eps)
Paul Eiding
Perceptor (voice) (79 eps)
David Mendenhall
Daniel Witwicky (33 eps)
Richard Gautier
Rodimus Prime (voice) (33 eps)
Aron Kincaid
Sky Lynx (voice) (30 eps)
Arthur Burghardt
Devastator (voice) (13 eps)
Stan Jones
Misfire (voice) (6 eps)
Mona Marshall
Justin (voice) (6 eps)
Brad Garrett
Trypticon (voice) (6 eps)
Susan Blu
Arcee (voice) (5 eps)
Stephen Keener
Mindwipe (voice) (4 eps)
Tony Pope
Alpha Trion (voice) (4 eps)
Wally Burr
Ratchet (voice) (4 eps)
Roger C. Carmel
El Presidente (voice) (4 eps)
Steve Bulen
Sureshot (voice) (3 eps)
John Moschitta Jr.
Blurr (voice) (3 eps)
Johnny Haymer
Highbrow (voice) (3 eps)
Jered Barclay
Cerebros (voice) (3 eps)
Jeff MacKay
Fireflight (voice) (2 eps)
Jerry Houser
Sandstorm (voice) (2 eps)
Morgan Lofting
Doctor Harding (voice) (2 eps)
Beau Weaver
Octane (voice) (1 eps)
Michael Chain
Raoul (voice) (1 eps)
T.K. Carter
Rocksteady (voice) (1 eps)
Marlene Aragon
Elita-1 (voice) (1 eps)