Silverbolt / Guardian Prime (voice)
Ultra Magnus / Astrotrain / Ramjet / Sentinel Prime / Quintesson Judge #3 / Sweep (voice)
Carly Witwicky (voice)
Scrapper / Primon (voice)
Grimlock / Long Haul (voice)
Arcee / Marissa Fairborne / Woman (voice)
Spike Witwicky / Prime Nova (voice)
Cyclonus / Motormaster / Quintesson Judge #2 / Unicron (voice)
Narrator (voice)
Dead End / Tantrum / Zeta Prime / Abdul Fakkadi (voice)
Menasor / Quintesson Judge #1 / Judge Deliberata / Sharkticon (voice) (as Rege Cordic)
Optimus Prime (voice)
Metroplex / Predaking / Dirge (voice)
Perceptor (voice)
Drag Strip (voice)
Trypticon (voice)
Rodimus Prime / Sweep (voice)
Blitzwing / Trooper Sullivan / Man (voice)
Swindle / Vortex (voice)
Blast Off (voice) (as Milt Jamin)
Blaster (voice)
Sky Lynx (voice)
Razorclaw (voice)
Fireflight (voice)
Daniel Witwicky (voice)
Blurr (voice) (as John Moschitta)
Warpath / Breakdown (voice)
Slingshot (voice)
Wreck-Gar (voice)
Pipes / Skuxxoid / Sweep (voice)
Springer / Bonecrusher / Announcer (voice)
Tailgate (voice)
Kup / Outpost Officer (voice)
Galvatron / Wheelie / Soundwave / Laserbeak / Rumble / Mixmaster / Sharkticon / Sweep / Computer (voice)