context: Transformers - The Age of Destruction () [1] [2] is an American-Chinese science-fiction film premiered in 2014, based on Transformers. It's the sequel to 2011's Transformers: The Dark Side of the Moon and the fourth installment of the Transformers movie series, set five years after the Battle of Chicago. Like its predecessors, this film was directed by Michael Bay and written by Ehren Kruger. Starring Mark Wahlberg and Peter Cullen is still the voice actor of Optimus Prim. This is the first installment of the film series, with no human actor from previous films, but all new ones. The film premiered in the US and Finland on June 27, 2014. [3]
question: Who played the main character in Transformers - The Age of Destruction?
answers.text: Mark Wahlberg