Transformers: Age of Extinction is a 2014 American science fiction action movie. It is based on the Transformers toy line. The movie was released on June 27, 2014. It was released in both IMAX and 3D. Age of Extinction is the fourth live-action Transformers movie series. It follows  Transformers, Transformers: Revenge of the Fallen, and Transformers: Dark of the Moon. The movie was directed by Michael Bay and produced by Steven Spielberg. The story of the movie takes place four years after the thrid movie.

Mark wahlberg, Nicola Peltz and Jack Reynor star as the main characters. Kelsey Grammer is the main antagonist. Peter Cullen, James Remar, Reno Wilson and Robert Foxworth returning as the voices of Optimus Prime, Sideswipe, Mirage, Brains and Ratchet. ]The cast also includes Stanley Tucci, Li Bingbing, Sophia Myles, and TJ Miller. The movie added John Goodman and Ken Watanabe as the voices of Hound and Drift. It also includes John DiMaggio (Leadfoot) and Frank Welker (Galvatron)

Plot
Four years after an invasion that tore Chicago apart, a mechanic and his daughter discover Optimus Prime, which brings down all the Autobots, Decepticons, and a paranoid government agency upon them.

Cast

Humans
 Mark Wahlberg -  Cade Yeager. A single father and inventor, main protagonist.
 Nicola Peltz  - Tessa Yeager. Cade's daughter, protagonist.
 Jack Reynor -  Shane Dyson.  Tessa's boyfriend and race car driver, protagonist.

Antagonists
 Kelsey Grammer - Harold Attinger. Government official, main villain.
 Stanley Tucci - Joshua. Designer who wants to build his own robots.
 Titus Welliver - Savoy. Leader of the team of agents hired by Attinger.

Transformers

Autobots 
 Peter Cullen - Optimus Prime, the leader of the Autobots. Semi-trailer truck.
 Bumblebee (no voice actor) -  an Autobot scout.  modified 1967 Camaro and 2014 Chevrolet Camaro concept.
 Robert Foxworth - Ratchet, the Autobots' medical officer.
 John Goodman  - Hound, an Autobot commando.
 James Remar - Sideswipe, the Autobots' combat instructor.
 John DiMaggio - Crosshairs, an Autobot paratrooper.
 Ken Watanabe - Drift, an Autobot tactician , former Decepticon.
 Reno Wilson voices Brains, a Decepticon drone turned Auto.

Decepticons 
 Frank Welker - Galvatron, A human-made Transforme. Decepticon leader.
 Mark Ryan -  Lockdown. A Decepticon bounty hunter.

Production

Filming

Bay said that filming had begun on May 28, 2013, in Monument Valley, Utah. Detroit, was used for scenes in Hong Kong. McCormick Place in Chicago, was was used for a city in China. The movie was the first movie to be shot using smaller digital IMAX 3D cameras.   From May 28 to June 24, 2013, Michael Bay uploaded pictures of several cars used in the movie. He uploaded them to social networks  including Facebook and Flickr. 

On October 29, Michael Bay's  Twitter account tweeted that main photography of Transformers 4 had ended in Hong Kong  The cast and crew went to the main land for another week of filming Additional filming in Detroit began in early 2014.

Music
Ehren Kruger will wrote the script and Steve Jablonsky wrote the music the movie.

References

2014 action movies
2014 science fiction movies
American action movies
American science fiction movies
Movies directed by Michael Bay
Movies shot in Chicago, Illinois
Movies set in Chicago, Illinois
Chicago, Illinois in fiction
Screenplays by Ehren Kruger
Transformers (movie series)
Apocalyptic movies
Drone movies
2010s superhero movies