Mark Gruner (born December 29, 1958) is an American former actor. He played Robert Mueller in A Little Game (1971), by Paul Wendkos, and Perron in The Tribe (1974), by Richard A. Colla. His final and most notable role was Mike Brody in Jaws 2 (1978). His late brother, David Gruner (1957–2009), was also an actor. (Via Wikipedia)
