Michael Bay Director, Executive Producer
Shia LaBeouf Sam Witwicky
Megan Fox Mikaela Banes
Steven Spielberg Executive Producer
Peter Cullen Optimus Prime (voice)
Michael York Prime #1 (voice)
Ramón Rodríguez Leo Spitz
Tom Kenny Wheelie / Skids (voice)
Frank Welker Soundwave / Devastator / Reedman (voice)
John Turturro Simmons
Josh Duhamel Major Lennox
Rainn Wilson Professor Colan
Marc Evan Jackson Commander, US Central Command
Tyrese Gibson USAF Chief Master Sergeant Epps
America Olivo Frisbee Girl
Robin Atkin Downes Prime #3 (voice)
Hubie Kerns Jr. Stunt Driver
Hans Zimmer Thanks
Grey DeLisle-Griffin Arcee (voice)
Kevin Dunn Ron Witwicky
Emile Ghorayeb Animation
Deborah L. Scott Costume Design
Hank Amos Stunts
Reno Wilson Mudflap (voice)
John Nielsen USS Roosevelt Captain
Annie Korzen Simmons Mom
Hugo Weaving Megatron (voice)
Andrew Howard Special Air Service Forces
Robert Foxworth Ratchet (voice)
Tony Todd Fallen (voice)
Katie Lowes April the Resident Assistant
Kevin Michael Richardson Prime #2 / Skipjack (voice)
Donna Evans Stunts
Mike Majesky Stunt Driver
Jen Weissenberg Stunts
Julie White Judy Witwicky
Alex Fernandez Joint Ops Staff
Marvin Williams Second Second Assistant Director
Ehren Kruger Writer
Isabel Lucas Alice
Kenny Bates Co-Producer, Stunt Coordinator
John Marquis Sound Effects Editor
Charlie Adler Starscream (voice)
Glenn Morshower General Morshower
Aaron Lustig Reporter
Spencer Garrett Air Force Chief of Staff
Alex Gibson Music Editor
John Benjamin Hickey Galloway
Josh Kelly Strike Force Team
David Bowe Smithsonian Guard
Jareb Dauplaise Frat Guy
Alex Kurtzman Writer
Jessie Graff Stunt Double
Aaron Hill Frat Guy
John Eric Bentley Aide
André Sogliuzzo Sideswipe (voice)
Calvin Wimmer Wheelbot (voice)
Casey Nelson Joint Ops Staff
Matthew Marsden Special Air Service Forces
Rick Cramer Diego Garcia Soldier
Yolanda Toussieng Hair Department Head
Jess Harnell Ironhide (voice)
Karina Michel Reporter (uncredited)
Mike Marcuzzi Digital Effects Supervisor
Edouard F. Henriques III Makeup Department Head
Joe Farrell Concept Artist
Cas Anvar Egyptian Interpol Officer
Philip Tan Stunts
Michael Papajohn Cal
Alicia Vela-Bailey Stunts
Erik Aadahl Supervising Sound Editor
Cornell Womack FBI Director