Actor/Actress
|
Description
|
Character
|
Shia LaBeouf
|
A recent high school graduate who is unwittingly drawn again into the Autobot cause to unravel an ancient mystery implanted into his mind by the now-destroyed AllSpark
|
Sam Witwicky
|
Megan Fox
|
Sam's juvenile car thief girlfriend
|
Mikaela Banes
|
Josh Duhamel
|
A former U.S. Army captain who establishes the NEST movement to help the Autobots with their battle against the remaining Decepticons
|
Maj. William Lennox
|
Tyrese Gibson
|
A U.S. Air Force sergeant in Lennox's team who leads NEST's SWAT unit
|
CMSgt. Rob Epps
|
John Turturro
|
A former agent of the recently terminated Sector Seven division who now runs a meat shop in New York City with his mother
|
Seymour Simmons
|
Ramón Rodríguez
|
A college roommate of Sam's who runs an online conspiracy blog and is obsessed with the Transformers
|
Leo Spitz
|
Kevin Dunn
|
Sam's father
|
Ron Witwicky
|
Julie White
|
Sam's mother
|
Judith Witwicky
|
John Benjamin Hickey
|
A national security adviser who often chastises NEST for their destructive tactics
|
Theo Galloway
|
Glenn Morshower
|
The supervisor of NEST
|
U.S. Marine Corps General Morshower
|
Matthew Marsden
|
A NEST officer
|
Graham
|
Rainn Wilson
|
Sam and Leo's astronomy teacher
|
Prof. R. A. Colan
|
Marc Evan Jackson
|
U.S. Central Command
|
Commander
|
Peter Cullen
|
The leader of the Autobots who transforms into a blue and red 1994 Peterbilt 379 semi-trailer truck
|
Optimus Prime
|
Mark Ryan
|
A young Autobot scout and Sam Witwicky's guardian who transforms into a yellow and black 2006 Chevrolet Camaro
|
Bumblebee
|
Mark Ryan
|
An ancient Decepticon-turned-Autobot Seeker who transforms into a Lockheed SR-71 Blackbird
|
Jetfire
|
Reno Wilson
|
An Autobot infiltrator and Skids' twin who transforms into a red 2007 Chevrolet Trax
|
Mudflap
|
Jess Harnell
|
The Autobot weapons specialist and Optimus' new second-in-command who transforms into a black 2006 GMC Topkick C4500
|
Ironhide
|
Robert Foxworth
|
The Autobot medical officer who transforms into a yellow 2004 search and rescue Hummer H2 ambulance
|
Ratchet
|
André Sogliuzzo
|
The Autobot combat instructor who transforms into a silver 2009 Chevrolet Corvette Stingray
|
Sideswipe
|
Tom Kenny
|
An Autobot messenger and Mudflap's twin who transforms into a green 2007 Chevrolet Beat
|
Skids
|
Tom Kenny
|
A former Decepticon drone and later an Autobot who transforms into a blue radio-controlled toy monster truck
|
Wheelie
|
Grey DeLisle
|
A female Autobot who transforms into a pink Ducati 848
|
Arcee
|
Grey DeLisle
|
One of Arcee's sisters who transforms into a blue 2008 Suzuki B-King
|
Chromia
|
Grey DeLisle
|
One of Arcee's sisters who transforms into a purple MV Agusta F4 R312
|
Elita-One
|
None
|
An Autobot technician who transforms into a Chevrolet Volt
|
Jolt
|
Tony Todd
|
A rogue Prime who is the ancient founder of the Decepticons and master of Megatron, who seeks to exact revenge
|
The Fallen
|
Hugo Weaving
|
The Fallen's apprentice and the field commander of the Decepticons who transforms into a Cybertronian hover tank
|
Megatron
|
Charlie Adler
|
Megatron's second-in-command who transforms into a Lockheed Martin F-22 Raptor
|
Starscream
|
Frank Welker
|
The Decepticon communications officer
|
Soundwave
|
Frank Welker
|
A Constructicon who is made up of the combined forms of the other Constructicons
|
Devastator
|
Frank Welker
|
A Decepticon infiltration expert and a minion of Soundwave who is a large one-eyed Jaguar
|
Ravage
|
Frank Welker
|
A Decepticon formed of small bead-like Decepticons
|
Reedman
|
Frank Welker
|
A Decepticon who transforms into a CH-53E Super Stallion helicopter and shared the same body as Blackout's
|
Grindor
|
John Di Crosta
|
A spider-like Decepticon who transforms into a microscope
|
The Doctor
|
Isabel Lucas
|
A female pretender sent to spy on Sam in college who transforms into an Alice in Wonderland android
|
Alice
|
Calvin Wimmer
|
A huge Constructicon who transforms into a red and white Terex O&K RH 400 excavator
|
Demolishor
|
Kevin Michael Richardson
|
A Constructicon who transforms into a red Caterpillar D9T bulldozer
|
Rampage
|
None
|
A Constructicon who transforms into a black and silver Mack concrete mixer truck
|
Mixmaster
|
None
|
A Constructicon who transforms into a green Caterpillar 773B dump truck
|
Long Haul
|
None
|
A Constructicon who transforms into a yellow Caterpillar 992G scoop loader
|
Scrapper
|
None
|
A large Constructicon who shares the same model of Demolishor
|
Scavenger
|
None
|
A Constructicon who transformed into a red KW Dart D4661 Tractor Truck articulated dump truck
|
Overload
|
None
|
A Constructicon who transformed into a yellow KOBELCO CKE2500 II crawler crane
|
Hightower
|
None
|
A Constructicon who transforms into a yellow Volvo EC700C crawler excavator fitted with a Stanley UP 45SV attachment
|
Scrapmetal
|
None
|
A Decepticon surveillance agent who transforms into a silver Audi R8
|
Sideways
|
None
|
A small insect-like Decepticon who is a mechanical beetle
|
Insecticon
|