John Turturro
Seymour Simmons
Deep Roy
Egyptian Guard
Hugo Weaving
Megatron (voice)
Robert Foxworth
Ratchet (voice)
Tyrese Gibson
USAF Chief Master Sergeant Epps
Shia LaBeouf
Sam Witwicky
David Bowe
Smithsonian Guard
Rainn Wilson
Professor Colan
Matthew Marsden
Special Air Service Forces
Glenn Morshower
General Morshower
Michael York
Prime #1 (voice)
Kevin Dunn
Ron Witwicky
Grey DeLisle
Arcee (voice)
Frank Welker
Soundwave / Devastator / Reedman / Grindor (voice)
Tony Todd
The Fallen (voice)
Josh Duhamel
Major Lennox
Megan Fox
Mikaela Banes
Peter Cullen
Optimus Prime (voice)
Mark Ryan
Jetfire (voice)
Michael Papajohn
Cal
John Benjamin Hickey
Galloway
Julie White
Judy Witwicky
Kevin Michael Richardson
Prime #2 / Skipjack / Rampage (voice)
Michael Benyaer
Egyptian Interpol Officer #2
Josh Kelly
Strike Force Team
Caitlin Dulany
CNN Reporter (uncredited)
Shayna Ryan
French Cafe Patron (uncredited)
Spencer Garrett
Air Force Chief of Staff
Rick Cramer
Diego Garcia Soldier
Cas Anvar
Egyptian Interpol Officer #1
Andrew Howard
Special Air Service Forces
Ramón Rodríguez
Leo Spitz
America Olivo
Frisbee Girl
Jonathon Trent
Fassbinder
Tom Kenny
Wheelie / Skids (voice)
Alex Fernandez
Joint Ops Staff
Charlie Adler
Starscream (voice)
Walker Howard
Sharsky
Jess Harnell
Ironhide (voice)
Christopher Curry
Pundit
John Sanderford
Pundit
Isabel Lucas
Alice
Katie Lowes
April the Resident Assistant
John Di Crosta
Doctor (voice)
Reno Wilson
Mudflap (voice)
Robin Atkin Downes
Prime #3 (voice)
Aaron Lustig
Reporter
Marc Evan Jackson
Commander, US Central Command
Eric Pierpoint
NSA Officer
Annie Korzen
Simmons Mom
Cornell Womack
FBI Director
John Nielsen
USS Roosevelt Captain
Jim Holmes
Reporter
André Sogliuzzo
Sideswipe (voice)
John Eric Bentley
Aide
Jareb Dauplaise
Frat Guy
Casey Nelson
Joint Ops Staff
Aaron Norvell
Air Force Military Police
Aaron Hill
Frat Guy
Karina Michel
Reporter (uncredited)
Matt Iseman
C-17 Pilot (uncredited)
Sean T. Krishnan
Yakov
Andrew Hwang
Mandarin Blogger (uncredited)
Alexandra Begg
College Student (uncredited)
Geoff Reeves
Strike Force Team
Joel Lambert
Strike Force Team
Arnold Chun
Diego Garcia Soldier
Kamal Jones
Smithsonian Guard
Brian Shehan
Strike Force Team
Erin Naas
Arcee Rider
Derek Alvarado
Joint Ops Staff