 With the schedule ballooning from 52 to 155 days,  Steven Spielberg (I) (qv) had to juggle Universals impossible  deadlines, an unfinished script, chaotic conditions off Marthas  Vineyard and a belligerent actor in Robert Shaw (I) (qv). On the  last day of shooting, Spielberg wore his most expensive clothes to  deter a dunking from the mutinous crew. As soon as the shot was  captured, he jumped in a speedboat and sped shoreward yelling, "I  shall not return."