Megan Fox as Mikaela Banes
Shia LaBeouf as Sam Witwicky
Rainn Wilson as College Professor
Josh Duhamel as Captain Lennox
John Turturro as Agent Simmons
Tyrese Gibson as USAF Tech Sergeant Epps
Isabel Luc as
America Olivo as Frisbee Girl
Peter Cullen as Optimus Prime (voice)
Matthew Marsden as Graham
Darius McCrary as Jazz (voice)
Samantha Smith as Sarah Lennox
Kevin Dunn as Ron Witwicky
Karina Michel as Reporter
Mark Ryan as Autobots (voice)
Ramon Rodriguez as Leo
Robert Foxworth as Ratchet (voice)
Katie Lowes as April the R.A.
Spencer Garrett as Air Force Chief of Staff McCain
Charles Adler as Starscream (voice)
Peter J as on
Aaron Hill as Frat Guy #1
Julie White as Judy Witwicky
Jess Harnell as Ironhide / Barricade (voice)
Walker Howard as Sharsky
Alex Fernandez as Lt. Colonel Cet
Jonathon Trent as F
John Benjamin Hickey as Galloway
Jareb Dauplaise as College Frat Guy
Steve Tom as McClaren Robotics CEO
Michael Benyaer as Egyptian Interpol
Josh Kelly as Strike Force Member #4
Rick Cramer as Diego Garcia #1
Cornell Womack as FBI Director
Sean T. Krishnan as Yakov
John Nielsen as Captain Wilder
Donald Sage Mackay as Nuclear Submarine Captain
Derek Alvarado as Joint Op #1
Kamal Jones as Smithsonian Guard 2
Jayson Floyd as Strike Force Member #3
Joel Lambert as Strike Force Member #2
James Harvey Ward as Sonarman
C as ey Nelson
Zhubin Rahbar as Officer
Ralph Meyering Jr. as NORAD General
David Paul Olsen as Strike Force Member #5