Jonny Lee Miller

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

Angelina Jolie

Kate Libby / 'Acid Burn'

Matthew Lillard

Emmanuelle Goldstein / 'Cereal Killer'

Jesse Bradford

Joey Pardella

Renoly Santiago

Ramon Sanchez / 'Phantom Phreak'

Laurence Mason

Paul Cook / 'Lord Nikon'

Fisher Stevens

Eugene Belford / 'The Plague' / Mr. Babbage

Lorraine Bracco

Margo

Wendell Pierce

S.S. Agent Richard Gill

Michael Gaston

S.S. Agent Bob

Marc Anthony

S.S. Agent Ray

Penn Jillette

Hal

Peter Y. Kim

Blade

Darren Lee

Razor

Alberta Watson

Lauren Murphy

Liza Walker

Laura

Bob Sessions

Duke Ellingson

Ethan Browne

Curtis

Blake Willett

S.S. Agent, Seattle

Max Ligosh

Young Dade Murphy / 'Zero Cool'

Felicity Huffman

Attorney

Paul Klementowicz

Michael Murphy

Richard Ziman

Judge

William DeMeo

Jock

Denise George

Denise

Johnny Myers

1st Sysop Technician

Kevin Brewerton

2nd Sysop Technician

Sam Douglas

English Teacher

Kal Weber

1st V.P.

Jeff Harding

2nd V.P.

Annemarie Lawless

Addict Vickie

Nancy Ticotin

Phreak's Mom

Naoko Mori

Tokyo Hacker

Dave Stewart

London Hacker

Ravil Isyanov

Russian Hacker

Olegar Fedoro

Russian Hacker

Jennifer Badger

'Cyberspirits' and Skaters

Christo Morse

'Cyberspirits' and Skaters

Bill Maul

Norm

Jeb Handwerger

Freshman on Roof

Mitchell McCormick

Freshman on Roof

Gary Klar

Mr. Simpson

Douglas W. Iles

Addict Hank

Michael Potts

Tow Truck Driver

Mike Cicchetti

Ellingson Guard

Mick O'Rourke

Phone Repairman

Roberta Gotti

Italian Hacker

Eric Loren

News Technician

Kristin Moreu

Flight Attendant

Ricco Ross

Second Reporter

Tony Sibbald

Jail Guard

Richard Purro

Talkshow Host

Enzo Junior

Da Vinci Virus

Yoshinori Yamamoto

3rd V.P.

Ralph Winter

4th V.P.

Kimbra Standish

Receptionist

Steven Angiolini

Rollerblader

Melissa Barkan

'Cyberspirits' and Skaters

Donald J. Hewitt Jr.

'Cyberspirits' and Skaters

Christopher Waller

'Cyberspirits' and Skaters

Joseph Lloyd

'Cyberspirits' and Skaters

C.J. Byrnes

Father (uncredited)