 The Italian actors, all born in Rome, were coached to sound as though they were from Tuscany.The actors portraying soldiers underwent a two-week boot camp, supervised by senior military advisor Billy Budd, a 15-year Royal Marine veteran who had served in the Falklands War.Principal photography for "Miracle at St. Anna" lasted nine weeks, beginning in October 2007 and concluding in December of that year; filming took place in Italy, New York, Louisiana and The Bahamas.