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The scene of Sokal (Bruce Greenwood) viewing and destroying the tape after he sees it proves gunfire was coming from the crowd was imposed by test audiences, according to director William Friedkin. This movie was supposed to leave it ambiguous, as to whether or not Childers (Samuel L. Jackson) did the right thing, depicting what happened through subjective viewpoints, and never revealing the objective truth of what occurred.
When Hodges (Tommy Lee Jones) returns to the bombed-out embassy, there is a picture of then Vice President Al Gore on the charred wall. Gore and Jones were roommates at Harvard.
A replica of the Marine Corps base at Camp Lejeune, North Carolina, was built at the Vint Hill Farm Station, South Manassas, Virginia. Approximately eight hundred Marines were hired for the combat, and other action scenes.
H. Lawrence Hodge's house, on the oceanfront (with the circular driveway), was also used as Jack Ryan's house in Patriot Games (1992).
Kim Delaney had a substantial role in this movie that was ultimately edited out of the final cut, however, she can still clearly be seen at Hodges retirement party.