Transformers Prime 1: Prime

==Main Cast==
*Peter Cullen: Optimus Prime / Thirteen Prime
*Frank Welker: Megatron, Soundwave, Ravage, Laserbeak, Onyx Prime, Various Autobots and Decepticons
*James Arnold Taylor: Megatronus / The Fallen, Various Autobots and Decepticons
*Will Friedle: Bumblebee
*Sumalee Montano: Arcee
*Kevin Michael Richardson: Bulkhead, Liege Maximo, Various Autobots and Decepticons
*Jeffrey Combs: Ratchet
*Steve Blum: Starscream, Barricade, Quintus Prime
*Daran Norris: Knockout
*Adam Baldwin: Breakdown, Roadbuster
*Tony Todd: Dreadwing
*Gina Torres: Airachnid
*David Sobolov: Shockwave, Various Autobots and Decepticons
*Fred Tatasciore: Blackout, Omega Supreme, Trypticon, Vector Prime, Highbrow
==Minor Cast==
*George Takei: Alpha Trion
*Tara Strong: Solus Prime, Chromia
*Dee Bradley Baker: Micronus Prime, Impactor, Rotorstorm
*Grey DeLisle-Griffin: Elita-One, Botanica
*Jess Harnell: Ironhide
*Nolan North: Smokescreen, Amalgamous Prime, Pyro, Various Autobots and Decepticons
*John DiMaggio: Crosshairs, Leadfoot, Seaspray
*John Goodman: Hound
*Jamieson Price: Warpath
*Johnny Yong Bosch: Hot Shot
*James Remar: Sideswipe, Prima
*Patrick Seitz: Silverbolt
*Troy Baker: Jetfire, Sentinel Zeta Prime, Jolt
*Corey Burton: Alchemist Prime, Topspin
*Andrew Francis: Skydive, Canonspring
*Phil LaMarr: Slingshot
*Liam O'Brien: Air Raid
*Jeff Bennett: Prowl
*Brian Drummond: Nexus Prime, Pinion
*Scott McNeil: Superion
*Michael Dobson: Clocker
*Sam Vincent: Chaindrive
*Paul Dobson: Mainspring
*Josh Keaton: Tailgate
*James Horan: Wheeljack
*Ken Watanabe: Drift
*Tom Kenny: Skids
*Reno Wilson: Mudflap
*Paul Eiding: Landmine
*Graham McTavish: Thundercracker
*Richard Epcar: Skywarp, Various Autobots and Decepticons
*Gary Schwartz: Skyquake
*Lance Henriksen: Lockdown
*Keith Silverstein: Rumble, Frenzy