 Murray Hamilton plays the mayor, and Lorraine Gary portrays Brody's wife.The screenplay is credited to Benchley, who wrote the first drafts, and actor-writer Carl Gottlieb, who rewrote the script during principal photography.Shot mostly on location on Martha's Vineyard in Massachusetts, "Jaws" was the first major motion picture to be shot on the ocean, and resultingly had a troubled production, going over budget and past schedule.