Shia LaBeouf says that he will not return for a fourth TRANSFORMERS film, writes The Hollywood Reporter. The actor believes that there is nowhere else to go with his character, Sam Witwicky. He added that he would love to work with director Michael Bay on any project he wants him for. Forbes magazine has ranked LaBeouf as the biggest bang for your buck actor in Hollywood for two years running. For every $1 paid the young thespian his movies make $81 in profit.