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.