Sam Witwicky
Shia LaBeouf
Mikaela Barnes
Megan Fox
Capt. Lennox
Josh Duhamel
Epps
Tyrese Gibson
Simmons/Voice of Jetfire
John Turturro
Ron Witwicky
Kevin Dunn
Leo Spitz(as Ramon Rodriguez)
Ramón Rodríguez
Judy Witwicky
Julie White
Galloway
John Benjamin Hickey
Alice
Isabel Lucas
Special Air Service Forces
Matthew Marsden
Megatron
Hugo Weaving
Optimus Prime (voice)
Peter Cullen
Special Air Service Forces
Andrew Howard
Jetfire (voice)
Mark Ryan
Cal
Michael Papajohn
General Morshower
Glenn Morshower
Ratchet
Robert Foxworth
Aide
John Eric Bentley
Jolt
Anthony Anderson
Arcee Rider
Erin Naas
The Fallen
Tony Todd
Professor Colan
Rainn Wilson
Air Force Chief of Staff
Spencer Garrett
April the Resident Assistant
Katie Lowes
Fassbinder
Jonathon Trent
Sharsky(as Howard Walker)
Walker Howard
Frisbee Girl
America Olivo
Frat Guy
Aaron Hill
Frat Guy
Jareb Dauplaise
Pundit
John Sanderford
Pundit
Christopher Curry
Egyptian Interpol Officer #1
Cas Anvar
Egyptian Interpol Officer #2
Michael Benyaer
Mudflap (voice)
Reno Wilson
Egyptian Guard
Deep Roy
Ironhide (voice)
Jess Harnell
Bedouin with Donkey
Ruben Martinez
NORAD General
Ralph Meyering Jr.
Sideswipe
Andre Sogliuzzo
Air Force Military Police
Aaron Norvell
NSA Officer
Eric Pierpoint
Simmons Mom
Annie Korzen
Starscream
Charles Adler
Yakov
Sean T. Krishnan*
Soundwave / Devastator / Reedman
Frank Welker
Smithsonian Guard
David Bowe
Smithsonian Guard
Kamal Jones
Reporter
Aaron Lustig
Reporter
Jim Holmes
Reporter
Kristen Welker
FBI Director
Cornell Womack
Ticket Agent
David Luengas
Joint Ops Staff
Derek Alvarado
Joint Ops Staff
Alex Fernandez
Joint Ops Staff
Casey Nelson
Joint Ops Staff
Jason Roehm
USS Roosevelt Captain
John Nielsen
Diego Garcia Soldier
Rick Cramer
Diego Garcia Soldier
Arnold Chun
Diego Garcia Soldier
Marvin Jordan
Strike Force Team
Josh Kelly
Strike Force Team
Jayson Floyd
Strike Force Team
Geoff Reeves
Strike Force Team
Aaron Garrido
Strike Force Team
Joel Lambert
Strike Force Team
David Paul Olsen
Strike Force Team
Brian Shehan
Arcee (voice)
Grey DeLisle
Wheelie / Skids (voice)
Tom Kenny
Wheelbot (voice)
Calvin Wimmer
Doctor (voice)
John Di Crosta
Prime #1 (voice)
Michael York
Prime #2 / Skipjack / Rampage (voice)
Kevin Michael Richardson
Prime #3 (voice)
Robin Atkin Downes
Commander
Marc Evan Jackson