This is from a wiki pages on Transformers 3 so not sure how accurate this is. But some of them seem true though here you go:
Source:
http://en.wikipedia.org/wiki/Transfo...rk_of_the_Moon
Autobots
- Peter Cullen voices Optimus Prime, the Autobot leader. He retains his vehicle mode of a blue Peterbilt 379 truck with red flame decals, with the addition of a trailer similar to his G1 counterpart. He was modified to look more heroic.
- Bumblebee, Sam's guardian that turns into a fifth-generation Chevrolet Camaro. Bumblebee has also gone through some changes, his vehicle mode featuring a new body kit and paint job. He was modified to look more mature.
- Ironhide, the Autobot weapons specialist who transforms into a GMC Topkick.
- Ratchet, the Autobot medic who transforms into a search and rescue Hummer H2. Ratchet also had some changes done to his vehicle form, he has been painted green and white.
- Sideswipe, the Autobot whose vehicle mode is a silver Chevrolet Corvette Centennial now upgraded into a convertible.
- An Autobot who will debut as a Ferrari 458 Italia. Bay said that the Autobot will have an Italian accent and personally refers to it as "Dreadbox".
- An Autobot will debut as a Red/Black Rosenbauer Panther fire truck.
- James Avery will provide the voice of Silverbolt.
- The Wreckers, an Autobot sub-team that transform into heavily armed NASCAR Chevrolet Impala stock cars equipped with machine guns.They function as a Commando Unit. One of them will be voiced by Bill Fagerbakke.The Wreckers are:
- Two Autobots that transform into Chevrolet Sparks.
- A blue Mercedes-Benz E550 will debut as an Autobot, he is confirmed to be the same robot whose form looks similar to Albert Einstein.
- Wheelie, a blue radio-controlled toy monster truck who used to be a Decepticon before he joined the Autobots.
Decepticons
- Megatron, the Decepticon Leader that has changed his vehicle mode to an armored rusty Mack Titan 10-wheeler tank truck equipped with heavy weaponry.
- Starscream, the air commander who transforms into an F-22 Raptor.
- Soundwave, Megatron's communication officer.
- Shockwave, who will act as one of the film's main villains. Corey Burton, who performed Shockwave's voice in all of Shockwave's major animated appearances was offered the role, but he declined it, so David Warner is being considered to voice him.
- A Decepticon has been revealed to turn into an armored security truck.
- The Dreads, a group of Decepticon clones that turn into Chevrolet Suburban emergency vehicles.
It has been said that two robot assassins that will appear and murder humans in a scene filmed in
Sherman Oaks.There will be a scene which will involve a huge Decepticon tipping over a building which Sam is in.
Others
At the end of the teaser trailer, an unknown robot with yellow armor is featured and appears to come to life.
Mark Ryan is also confirmed to be voicing several characters in the film.
Anyone heard if Barricade is back?
