Jonny Lee Miller

Character: Dade Murphy / 'Crash Override' / 'Zero Cool'

Angelina Jolie

Character: Kate Libby / 'Acid Burn'

Matthew Lillard

Character: Emmanuelle Goldstein / 'Cereal Killer'

Jesse Bradford

Character: Joey Pardella

Renoly Santiago

Character: Ramon Sanchez / 'Phantom Phreak'

Laurence Mason

Character: Paul Cook / 'Lord Nikon'

Fisher Stevens

Character: Eugene Belford / 'The Plague' / Mr. Babbage

Lorraine Bracco

Character: Margo

Wendell Pierce

Character: S.S. Agent Richard Gill

Michael Gaston

Character: S.S. Agent Bob

Marc Anthony

Character: S.S. Agent Ray

Penn Jillette

Character: Hal

Peter Y. Kim

Character: Blade

Darren Lee

Character: Razor

Alberta Watson

Character: Lauren Murphy

Liza Walker

Character: Laura

Bob Sessions

Character: Duke Ellingson

Ethan Browne

Character: Curtis

Blake Willett

Character: S.S. Agent, Seattle

Max Ligosh

Character: Young Dade Murphy / 'Zero Cool'

Felicity Huffman

Character: Attorney

Paul Klementowicz

Character: Michael Murphy

Richard Ziman

Character: Judge

William DeMeo

Character: Jock

Denise George

Character: Denise

Johnny Myers

Character: 1st Sysop Technician

Kevin Brewerton

Character: 2nd Sysop Technician

Sam Douglas

Character: English Teacher

Kal Weber

Character: 1st V.P.

Jeff Harding

Character: 2nd V.P.

Annemarie Lawless

Character: Addict Vickie

Nancy Ticotin

Character: Phreak's Mom

Naoko Mori

Character: Tokyo Hacker

Dave Stewart

Character: London Hacker

Ravil Isyanov

Character: Russian Hacker

Olegar Fedoro

Character: Russian Hacker

Jennifer Badger

Character: 'Cyberspirits' and Skaters

Christo Morse

Character: 'Cyberspirits' and Skaters

Bill Maul

Character: Norm

Jeb Handwerger

Character: Freshman on Roof

Mitchell McCormick

Character: Freshman on Roof

Gary Klar

Character: Mr. Simpson

Douglas W. Iles

Character: Addict Hank

Michael Potts

Character: Tow Truck Driver

Mike Cicchetti

Character: Ellingson Guard

Mick O'Rourke

Character: Phone Repairman

Roberta Gotti

Character: Italian Hacker

Eric Loren

Character: News Technician

Kristin Moreu

Character: Flight Attendant

Ricco Ross

Character: Second Reporter

Tony Sibbald

Character: Jail Guard

Richard Purro

Character: Talkshow Host

Enzo Junior

Character: Da Vinci Virus

Yoshinori Yamamoto

Character: 3rd V.P.

Ralph Winter

Character: 4th V.P.

Kimbra Standish

Character: Receptionist

Steven Angiolini

Character: Rollerblader

Melissa Barkan

Character: 'Cyberspirits' and Skaters

Donald J. Hewitt Jr.

Character: 'Cyberspirits' and Skaters

Christopher Waller

Character: 'Cyberspirits' and Skaters

Joseph Lloyd

Character: 'Cyberspirits' and Skaters

C.J. Byrnes

Character: Father (uncredited)