Transformers Prime

Peter Cullen

Optimus Prime (voice)

Jeffrey Combs

Ratchet (voice)

Tania Gunadi

Miko Nakadai (voice)

Kevin Michael Richardson

Bulkhead (voice)

Ernie Hudson

Agent William Fowler (voice)

Andy Pessoa

Rafael "Raf" Esquivel (voice)

Sumalee Montano

Arcee (voice)

Steve Blum

Starscream (voice)

Daran Norris

Knock Out (voice)

Josh Keaton

Jack Darby (voice)

Frank Welker

Megatron (voice)

Nolan North

Smokescreen (voice)

Michael Ironside

Ultra Magnus (voice)

David Sobolov

Shockwave (voice)

Adam Baldwin

Breakdown (voice)

Clancy Brown

Silas (voice)

Tony Todd

Dreadwing (voice)

Gina Torres

Airachnid (voice)

Markie Post

June Derby (voice)

John Noble

Unicron (voice)

Peter Mensah

Predaking (voice)

Alexandra Krosney

Sierra (voice)

George Takei

Alpha Trion (voice)

David Kaye

Hardshell (voice)

James Horan

Wheeljack (voice)

Richard Green

Skyquake (voice)

Dwayne Johnson

Cliffjumper (voice)

Will Friedle

Bumblebee (voice)

Billy Brown

Cliffjumper (voice)

Reggie Bannister

Museum Security Guard (voice)

Brad Raider

Vince (voice)

John DiMaggio

Vogel (voice)

Robert Forster

General Bryce (voice)