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

Ethan Browne

Curtis

Felicity Huffman

Attorney

Paul Klementowicz

Michael Murphy

Richard Ziman

Judge

William DeMeo

Jock

Johnny Myers

1st Sysop Technician

Kevin Brewerton

2nd Sysop Technician

Sam Douglas

English Teacher

Kal Weber

1st V.P.

Nancy Ticotin

Phreak's Mom

Naoko Mori

Tokyo Hacker

Dave Stewart

London Hacker

Равиль Исьянов

Russian Hacker

Jennifer Badger

'Cyberspirits' and Skaters

Christo Morse

'Cyberspirits' and Skaters

Gary Klar

Mr. Simpson

Michael Potts

Tow Truck Driver

Mick O'Rourke

Phone Repairman

Eric Loren

News Technician

Ricco Ross

Second Reporter

Donald J. Hewitt Jr.

'Cyberspirits' and Skaters

C.J. Byrnes

Father (uncredited)