Question: who are the transformers in age of extinction?
Answer: Peter Cullen as Optimus Prime. ...  Frank Welker as Galvatron. ...  John Goodman as Hound. ...  Ken Watanabe as Drift. ...  Robert Foxworth as Ratchet. ...  John DiMaggio as Crosshairs. ...  Mark Ryan as Lockdown. ...  Reno Wilson as Brains.