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