Shia LaBeouf Sam Witwicky
Steven Spielberg Executive Producer
Kurt Bryant Stunt Coordinator
Josh Duhamel Lennox
Tom Kenny Wheelie (voice)
John Malkovich Bruce Brazos
Tyrese Gibson Epps
Frances McDormand Mearing
John DiMaggio Leadfoot / Target (voice)
James Remar Sideswipe (voice)
John Turturro Simmons
Ehren Kruger Writer
Alan Tudyk Dutch
Patrick Dempsey Dylan
Hugo Weaving Megatron (voice)
Meredith Monroe Engineer's Wife
Frank Welker Shockwave / Soundwave (voice)
John Turk NEST Guard
Keiko Agena Mearing's Aide
Ken Jeong Jerry Wang
Henry Kingi Stunts
Buzz Aldrin Buzz Aldrin
Michael Bay Director, Executive Producer
Peter Cullen Optimus Prime (voice)
Randy Peters Stunt Driver
Keith Szarabajka Laserbeak (voice)
Mindy Sterling Female Insurance Agent
Danny McCarthy NEST Guard
Charlie Adler Starscream (voice)
Erik Aadahl Supervising Sound Editor
Alicia Accardo Script Supervisor
Greg Funk Makeup Artist
Kevin Sizemore Black Ops NASA Technician (1969)
Annie O'Donnell Human Resources Lady
LaMonica Garrett Morshower's Aide
Jim Schwalm Special Effects Coordinator
Kevin Dunn Ron Witwicky
Brett Stimely President Kennedy
Gene Hartline Stunts
Michael Daniel Cassady NASA Launch Technician (1969)
Ilya Baskin Cosmonaut Dimitri
Iqbal Theba UN Secretary General
Reno Wilson Brains (voice)
Denise Chamian Casting
John Marquis Sound Effects Editor
Maile Flanagan Accuretta Worker
Jack Axelrod Simmons Tileman
Robert Foxworth Ratchet (voice)
Michael Owen Stunts
Clay Cullen Stunts
Joel Negron Editor
Julie White Judy Witwicky
Mike Majesky Stunts
Heidi Pascoe Stunts
Kenny Bates Producer, Stunt Coordinator, Second Unit Director
Glenn Morshower General Morshower
Rosie Huntington-Whiteley Carly
Ravil Isyanov Voshkod
C.C. Taylor Stunts
Leonard Nimoy Sentinel Prime (voice)
David Hutchison Stunts
Mark Golden SEAL
Ron Bottitta Roadbuster / Amp (voice)
Tobias Poppe Sound Effects Editor
Ben Procter Art Direction
Jennifer Bell Hairstylist
Ethan Van der Ryn Supervising Sound Editor
Josh Kelly Epps Team 'Stone'
Don Murphy Producer
Jess Harnell Ironhide (voice)
Danny Wynands Utility Stunts
William Goldenberg Editor