High school student David Lightman has a talent for hacking. But while trying to hack into a computer system to play unreleased video games, he unwittingly taps into the Department of Defense's war computer and initiates a confrontation of global proportions. Together with his friend and a wizardly computer genius, David must race against time to outwit his opponent and prevent a nuclear Armageddon.
Matthew Broderick
David Lightman
Dabney Coleman
McKittrick
John Wood
Stephen Falken
Ally Sheedy
Jennifer
Barry Corbin
General Beringer
Juanin Clay
Pat Healy
Kent Williams
Cabot
Dennis Lipscomb
Watson
Joe Dorsey
Conley
Irving Metzman
Richter
Michael Ensign
Beringer's Aide
William Bogert
Mr. Lightman
Susan Davis
Mrs. Lightman
James Tolkan
Wigan
David Clover
Stockman
