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.
Shia LaBeouf
Sam Witwicky
Rosie Huntington-Whiteley
Carly
Peter Cullen
Optimus Prime (voice)
Leonard Nimoy
Sentinel Prime (voice)
John Turturro
Simmons
Frances McDormand
Mearing