-
Shia LaBeouf as Sam Witwicky
-
Megan Fox as Mikaela Banes
-
Josh Duhamel as Major William Lennox
-
Tyrese Gibson as USAF Master Sergeant Robert
Epps
-
John Turturro as Seymour
Simmons
-
Ramón Rodríguez as Leo
Spitz
-
Kevin Dunn as Ron Witwicky
-
Julie White as Judy Witwicky
-
Isabel Lucas plays Alice
-
John Benjamin Hickey as Theodore
Galloway
-
Matthew Marsden as
Graham
-
Glenn Morshower as General
Morshower
-
Erin Naas as the Arcee
rider
-
Rainn Wilson as Professor R. A.
Colan
-
Deep Roy as an Egyptian
guard
-
Peter Cullen voices Optimus Prime
-
Mark Ryan voices Jetfire
-
Reno Wilson voices Mudflap
-
Jess Harnell voices Ironhide
-
Robert Foxworth voices Ratchet
-
André Sogliuzzo voices Sideswipe
-
Grey DeLisle voices Arcee
-
Hugo Weaving voices Megatron
-
Tony Todd voices The Fallen
-
Charlie Adler voices Starscream
-
Frank Welker voices Soundwave, Reedman and Devastator
-
Tom Kenny voices Skids and Wheelie
-
Calvin Wimmer voices Demolishor
(credited as "Wheelbot")
-
John DiCrosta voices The
Doctor
-
Michael York voices Prime
#1
-
Kevin Michael Richardson voices
Prime #2 and Rampage (credited as
"Skipjack")
-
Robin Atkin Downes voices Prime
#3