"Smile you son of a bitch." Roy Scheider shoots the shark and gets covered in water. The explosion of the shark was one of the last things shot. Spielberg didn't even hang around to see it completed. Fearing that he was going to be dunked by a mutinous crew, he fled to a Boston with a demob happy Richard Dreyfuss. Apparently their night got so raucous they were warned by the management for swearing.