The Autobots continue to work for NEST, now no longer in secret. But after discovering a strange artifact during a mission in Chernobyl, it becomes apparent to Optimus Prime that the United States government has been less than forthright with them.
Sam Witwicky
Shia LaBeouf
Carly
Rosie Huntington-Whiteley
Optimus Prime (voice)
Peter Cullen
Sentinel Prime (voice)
Leonard Nimoy
Simmons
John Turturro
Mearing
Frances McDormand
Lennox
Josh Duhamel
Epps
Tyrese Gibson
Dylan
Patrick Dempsey
Megatron (voice)
Hugo Weaving
Bruce Brazos
John Malkovich
Ron Witwicky
Kevin Dunn
Judy Witwicky
Julie White
Dutch
Alan Tudyk
Jerry Wang
Ken Jeong
General Morshower
Glenn Morshower
Eddie
Lester Speight
Buzz Aldrin
Buzz Aldrin
Bill O'Reilly
Bill O'Reilly
Voshkod
Ravil Isyanov
Lennox Lieutenant
Dustin Dennard
Lennox Team 'Baby Face'
Markiss McFadden
Lennox Team 'Chapman'
Nick Bickle
Lennox Team 'Atroui'
Ajay James
Lennox Team 'Phelps'
Brett Lynch
Lennox Team 'Bruno'
Chris A. Robinson
Lennox Team 'Nelson'
Scott C. Roe
Lennox Team 'Tuens'
James D. Weston II
Lennox Team 'Taggart'
Brian Call
Epps Team 'Mongo'
Aaron Garrido
Epps Team 'Hooch'
Mikal Vega
Epps Team 'Marc L'
Kenny Sheard
Epps Team 'Stone'
Josh Kelly
Mearing's Aide
Keiko Agena
Morshower's Aide
LaMonica Garrett
Voshkod Associate
Yasen Peyankov
President Kennedy
Brett Stimely
President Nixon
John H. Tobin
Defense Secretary McNamara
Drew Pillsbury
Director of NASA
Patrick Pankhurst
NASA Scientist (1969)
Larry Clarke
Black Ops NASA Technician (1969)
Tom Virtue
Black Ops NASA Technician (1969)
Thomas Crawford
Black Ops NASA Technician (1969)
Kevin Sizemore
NASA Mission Controller (1969)
Alan Pietruszewski
NASA Launch Technician (1969)
Michael Daniel Cassady
Tracking Station Supervisor (1969)
Peter Murnik
Neil Armstrong (1969)
Don Jeanes
Buzz Aldrin (1969)
Cory Tucker
Old NASA Scientist
Lindsey Ginter
Old NASA Scientist
David St. James
NASA Technician
Mitch Bromwell
Cosmonaut Dimitri
Ilya Baskin
Cosmonaut Yuri
Eugene Alper
Russian Lady
Inna Korobkina
Russian Bouncer
Zoran Radanovich
Russian Female Bartender
Kathleen Gati
Human Resources Lady
Annie O'Donnell
Pimply Corporate Kid
Chris Sheffield
Japanese Executive
Ken Takemoto
Executive Interviewer
Michael Loeffelholz
Female Insurance Agent
Mindy Sterling
Mailroom Worker
Stephen Monroe Taylor
Mailroom Worker
Andy Daly
Mailroom Worker
Derek Miller
Mailroom Worker
Leidy Mazo
Accuretta Executive
Scott Krinsky
Accuretta Worker
Katherine Sigismund
Accuretta Worker
Maile Flanagan
Berated Scientist
Darren O'Hare
Simmons Tileman
Jack Axelrod
Engineer
Rich Hutchman
Engineer's Wife
Meredith Monroe
Engineer's Daughter
Charlotte Labadie
Dylan's Executive
Christian Baha
Dylan's Assistant
Jennifer Williams
Dylan's Assistant
Danielle Fornarelli
NEST Guard
Danny McCarthy
NEST Guard
John Turk
NEST Guard
Peter A Kelly
SEAL
Mark Golden
SEAL
Sean Murphy
SEAL
Scott Paulson
SEAL
Luis Echagarruga
UN Secretary General
Iqbal Theba
Lt. Sulimani
Anthony Azizi
Lt. Faraj
Sammy Sheik
Military Drone Operator
Mark Ryan
GPS Tracking Coordinator
John S. McAfee
DC Mall Reporter
Jay Gates
DC Capitol Reporter
Rebecca Cooper
Ironhide (voice)
Jess Harnell
Starscream (voice)
Charlie Adler
Ratchet (voice)
Robert Foxworth
Sideswipe (voice)
James Remar
Dino (voice)
Francesco Quinn
Que / Wheeljack (voice)
George Coe
Wheelie (voice)
Tom Kenny
Brains (voice)
Reno Wilson
Shockwave / Soundwave (voice)
Frank Welker
Roadbuster / Amp (voice)
Ron Bottitta
Leadfoot / Target (voice)
John DiMaggio
Laserbeak (voice)
Keith Szarabajka
Igor (voice)
Greg Berg
Pilot
Alen Toric