Megan Fox Mikaela Banes
Steven Spielberg Executive Producer
Shia LaBeouf Sam Witwicky
Hugo Weaving Megatron (voice)
Tom Kenny Wheelie / Skids (voice)
Hans Zimmer Thanks
Rainn Wilson Professor Colan
Kevin Michael Richardson Prime #2 / Skipjack (voice)
Frank Welker Soundwave / Devastator / Reedman (voice)
Peter Cullen Optimus Prime (voice)
Grey DeLisle Arcee (voice)
Michael Bay Executive Producer, Director
Josh Duhamel Major Lennox
Kevin Dunn Ron Witwicky
Kazu Hiro Special Effects Makeup Artist
John Turturro Simmons
Tyrese Gibson USAF Chief Master Sergeant Epps
Michael York Prime #1 (voice)
Robin Atkin Downes Prime #3 (voice)
Tony Todd Fallen (voice)
Marc Evan Jackson Commander, US Central Command
Andrew Howard Special Air Service Forces
John Benjamin Hickey Galloway
Isabel Lucas Alice
Reno Wilson Mudflap (voice)
Charlie Adler Starscream (voice)
Roberto Orci Writer
Alex Kurtzman Writer
Robert Foxworth Ratchet (voice)
Julie White Judy Witwicky
Katie Lowes April the Resident Assistant
Ramón Rodríguez Leo Spitz
Spencer Garrett Air Force Chief of Staff
Glenn Morshower General Morshower
Jess Harnell Ironhide (voice)
Ehren Kruger Writer
Deep Roy Egyptian Guard
Erik Aadahl Supervising Sound Editor
David Bowe Smithsonian Guard
America Olivo Frisbee Girl
Donna Evans Stunts
Michael Benyaer Egyptian Interpol Officer
Aaron Hill Frat Guy
Matthew Marsden Special Air Service Forces
Alex Fernandez Joint Ops Staff
Gary Summers Sound Re-Recording Mixer
Denise Chamian Casting
Hank Amos Stunts
Philip Tan Stunts
Cas Anvar Egyptian Interpol Officer
Alicia Vela-Bailey Stunts
Deborah L. Scott Costume Design
Josh Kelly Strike Force Team
Brian Avery Stunts
Jeff Lew Animation
Michael Papajohn Cal
Eric Pierpoint NSA Officer
Shayna Ryan French Cafe Patron (uncredited)
John Eric Bentley Aide
Jessie Graff Stunt Double
Bruno Van Zeebroeck Special Effects Coordinator
Lauren Mary Kim Stunts
David Paul Olsen Strike Force Team
Mark Ginther Utility Stunts
Mark Ryan Jetfire (voice)
André Sogliuzzo Sideswipe (voice)
Richard Epper Stunts
Rick Cramer Diego Garcia Soldier
John Marquis Sound Effects Editor
Annie Korzen Simmons Mom
Jeff Okabayashi Second Assistant Director
Christopher Curry Pundit