Will Smith (Captain Steven Hiller)
Bill Pullman (President Thomas J. Whitmore)
Jeff Goldblum (David Levinson)
Mary McDonnell (First Lady Marilyn Whitmore)
Communication systems all around the world start going crazy from an atmospheric interference July 2nd. Soon the military, along with US Marine Corps pilot Captain Steven Hiller, learn that an alien species is set to destroy the earth. The aliens have some success as they destroy many large US cities including Washington, New York, and Los Angeles. With the use of two-way radios and morse code the military, scientists, and others, were able to assist in taking back the planet. On July 4th, Captain Hiller and ex-scientist David Levinson were are able to plant a virus in the alien mothership causing their shields be lowered. Once that was completed, the aliens were easy to defeat.