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
as David Lightman
Dabney Coleman
as McKittrick
John Wood
as Stephen Falken
Ally Sheedy
as Jennifer
Barry Corbin
as General Beringer
Juanin Clay
as Pat Healy
Kent Williams
as Cabot
Dennis Lipscomb
as Watson
Joe Dorsey
as Conley
Irving Metzman
as Richter
Michael Ensign
as Beringer's Aide
William Bogert
as Mr. Lightman
