nskinnear (user news) | 
May 15, 2009 | 
Destructoid has recently revealed the full playable characters list for Transformers: Revenge of the Fallen. Here are all the available characters:
Autobots:
- Optimus Prime
- Ironhide
- Breakaway
- Bumblebee
- Ratchet
- Aerialbot (multiplayer exclusive)
- Protectobot (multiplayer exclusive)
Decepticons:
- Starscream
- Sideways
- Grindor
- Long Haul
- Megatron
- Seeker (multiplayer exclusive)
News also came down the line that the actors from the movies will do voices for the game. That includes Welker and Cullin(original transformer voices) along with Labeouf and Fox.