Peter Frederick Weller (born June 24, 1947) plays Alistair Peck on Fringe.
He is an American film and stage actor, director and lecturer. He is best known to moviegoers as the eponymous character of RoboCop in the first two RoboCopmovies as well as Buckaroo Banzai in the cult classic The Adventures of Buckaroo Banzai Across the 8th Dimension.
He received an Academy Award nomination for his direction and acting in the 1993 short Partners. He is also the host of the ongoing show Engineering an Empire on the History channel.