Transformers: Age of Extinction's only lead role is played by an English actor.
It stars Mark Wahlberg , with Peter Cullen reprising his role as the voice of Optimus Prime , as the lead roles.
Mark Robert Michael Wahlberg -LRB- born June 5 , 1971 -RRB- is an American actor , producer , businessman , former model , and rapper.
Peter Claver Cullen -LRB- born July 28 , 1941 -RRB- is a Canadian voice actor.
