Steven Spielberg Executive Producer
Megan Fox Mikaela Banes
Josh Duhamel Major Lennox
Hugo Weaving Megatron (voice)
Shia LaBeouf Sam Witwicky
Tom Kenny Wheelie / Skids (voice)
Hans Zimmer Thanks
Kevin Michael Richardson Prime #2 / Skipjack (voice)
Rainn Wilson Professor Colan
John Turturro Simmons
Michael Bay Executive Producer, Director
Frank Welker Soundwave / Devastator / Reedman (voice)
Grey DeLisle Arcee (voice)
Andrew Howard Special Air Service Forces
Peter Cullen Optimus Prime (voice)
Tyrese Gibson USAF Chief Master Sergeant Epps
Isabel Lucas Alice
Tony Todd Fallen (voice)
Ramón Rodríguez Leo Spitz
Michael York Prime #1 (voice)
Glenn Morshower General Morshower
Robert Foxworth Ratchet (voice)
Deep Roy Egyptian Guard
Kevin Dunn Ron Witwicky
Julie White Judy Witwicky
Marc Evan Jackson Commander, US Central Command
David Bowe Smithsonian Guard
Roberto Orci Writer
Katie Lowes April the Resident Assistant
Matthew Marsden Special Air Service Forces
Charlie Adler Starscream (voice)
Spencer Garrett Air Force Chief of Staff
Alex Kurtzman Writer
Donna Evans Stunts
Robin Atkin Downes Prime #3 (voice)
Cas Anvar Egyptian Interpol Officer
America Olivo Frisbee Girl
John Benjamin Hickey Galloway
Philip Tan Stunts
Reno Wilson Mudflap (voice)
Lauren Mary Kim Stunts
Jess Harnell Ironhide (voice)
Michael Papajohn Cal
Ehren Kruger Writer
Denise Chamian Casting
Jimmy N. Roberts Stunt Driver
Rick Cramer Diego Garcia Soldier
Aaron Hill Frat Guy
John Eric Bentley Aide
Alex Fernandez Joint Ops Staff
Hank Amos Stunts
Michael Benyaer Egyptian Interpol Officer
Mark Ryan Jetfire (voice)
Peter Bucossi Stunt Driver
Eric Pierpoint NSA Officer
Jareb Dauplaise Frat Guy
Jessie Graff Stunt Double
Ethan Van der Ryn Supervising Sound Editor
Alicia Vela-Bailey Stunts
Josh Kelly Strike Force Team
Ian Bryce Producer
Matt Iseman C-17 Pilot (uncredited)
Christopher Curry Pundit
Erik Aadahl Supervising Sound Editor
Steve Jablonsky Original Music Composer
Troy Robinson Stunt Coordinator
Aaron Lustig Reporter
Arnold Chun Diego Garcia Soldier
Mike Justus Stunts
Gary Summers Sound Re-Recording Mixer
Jeff Lew Animation
Mark Ginther Utility Stunts