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