Jonny Lee Miller
Role: Dade Murphy / 'Crash Override' / 'Zero Cool'
Angelina Jolie
Role: Kate Libby / 'Acid Burn'
Matthew Lillard
Role: Emmanuelle Goldstein / 'Cereal Killer'
Jesse Bradford
Role: Joey Pardella
Renoly Santiago
Role: Ramon Sanchez / 'Phantom Phreak'
Laurence Mason
Role: Paul Cook / 'Lord Nikon'
Fisher Stevens
Role: Eugene Belford / 'The Plague' / Mr. Babbage
Lorraine Bracco
Role: Margo
Wendell Pierce
Role: S.S. Agent Richard Gill
Michael Gaston
Role: S.S. Agent Bob
Marc Anthony
Role: S.S. Agent Ray
Alberta Watson
Role: Lauren Murphy
Bob Sessions
Role: Duke Ellingson
Blake Willett
Role: S.S. Agent, Seattle
Max Ligosh
Role: Young Dade Murphy / 'Zero Cool'
Felicity Huffman
Role: Attorney
Paul Klementowicz
Role: Michael Murphy
Denise George
Role: Denise
Johnny Myers
Role: 1st Sysop Technician
Kevin Brewerton
Role: 2nd Sysop Technician
Sam Douglas
Role: English Teacher
Jeff Harding
Role: 2nd V.P.
Annemarie Lawless
Role: Addict Vickie
Nancy Ticotin
Role: Phreak's Mom
Naoko Mori
Role: Tokyo Hacker
Dave Stewart
Role: London Hacker
Ravil Isyanov
Role: Russian Hacker
Olegar Fedoro
Role: Russian Hacker
Jennifer Badger
Role: 'Cyberspirits' and Skaters
Christo Morse
Role: 'Cyberspirits' and Skaters
Jeb Handwerger
Role: Freshman on Roof
Mitchell McCormick
Role: Freshman on Roof
Gary Klar
Role: Mr. Simpson
Douglas W. Iles
Role: Addict Hank
Michael Potts
Role: Tow Truck Driver
Mike Cicchetti
Role: Ellingson Guard
Mick O'Rourke
Role: Phone Repairman
Roberta Gotti
Role: Italian Hacker
Eric Loren
Role: News Technician
Kristin Moreu
Role: Flight Attendant
Ricco Ross
Role: Second Reporter
Tony Sibbald
Role: Jail Guard
Richard Purro
Role: Talkshow Host
Enzo Junior
Role: Da Vinci Virus
Yoshinori Yamamoto
Role: 3rd V.P.
Ralph Winter
Role: 4th V.P.
Kimbra Standish
Role: Receptionist
Steven Angiolini
Role: Rollerblader
Melissa Barkan
Role: 'Cyberspirits' and Skaters
Donald J. Hewitt Jr.
Role: 'Cyberspirits' and Skaters
Christopher Waller
Role: 'Cyberspirits' and Skaters
Joseph Lloyd
Role: 'Cyberspirits' and Skaters
C.J. Byrnes
Role: Father (uncredited)