Ash has seen this movie.
Along with his new friends, a teenager who was arrested by the US Secret Service and banned from using a computer for writing a computer virus discovers a plot by a nefarious hacker, but they must use their computer skills to find the evidence while being pursued by the Secret Service and the evil computer genius behind the virus.
| Dade Murphy / 'Crash Override' / 'Zero Cool' | Jonny Lee Miller |
| Kate Libby / 'Acid Burn' | Angelina Jolie |
| Emmanuelle Goldstein / 'Cereal Killer' | Matthew Lillard |
| Joey Pardella | Jesse Bradford |
| Ramon Sanchez / 'Phantom Phreak' | Renoly Santiago |
| Paul Cook / 'Lord Nikon' | Laurence Mason |
| Eugene Belford / 'The Plague' / Mr. Babbage | Fisher Stevens |
| Margo | Lorraine Bracco |
| S.S. Agent Richard Gill | Wendell Pierce |
| S.S. Agent Bob | Michael Gaston |
| S.S. Agent Ray | Marc Anthony |
| Hal | Penn Jillette |
| Blade | Peter Y. Kim |
| Razor | Darren Lee |
| Lauren Murphy | Alberta Watson |
| Laura | Liza Walker |
| Duke Ellingson | Bob Sessions |
| Curtis | Ethan Browne |
| S.S. Agent, Seattle | Blake Willett |
| Young Dade Murphy / 'Zero Cool' | Max Ligosh |
| Attorney | Felicity Huffman |
| Michael Murphy | Paul Klementowicz |
| Judge | Richard Ziman |
| Jock | William DeMeo |
| Denise | Denise George |
| 1st Sysop Technician | Johnny Myers |
| 2nd Sysop Technician | Kevin Brewerton |
| English Teacher | Sam Douglas |
| 1st V.P. | Kal Weber |
| 2nd V.P. | Jeff Harding |
| Addict Vickie | Annemarie Lawless |
| Phreak's Mom | Nancy Ticotin |
| Tokyo Hacker | Naoko Mori |
| London Hacker | Dave Stewart |
| Russian Hacker | Ravil Isyanov |
| Russian Hacker | Olegar Fedoro |
| 'Cyberspirits' and Skaters | Jennifer Badger |
| 'Cyberspirits' and Skaters | Christo Morse |
| Norm | Bill Maul |
| Freshman on Roof | Jeb Handwerger |
| Freshman on Roof | Mitchell McCormick |
| Mr. Simpson | Gary Klar |
| Addict Hank | Douglas W. Iles |
| Tow Truck Driver | Michael Potts |
| Ellingson Guard | Mike Cicchetti |
| Phone Repairman | Mick O'Rourke |
| Italian Hacker | Roberta Gotti |
| News Technician | Eric Loren |
| Flight Attendant | Kristin Moreu |
| Second Reporter | Ricco Ross |
| Jail Guard | Tony Sibbald |
| Talkshow Host | Richard Purro |
| Da Vinci Virus | Enzo Junior |
| 3rd V.P. | Yoshinori Yamamoto |
| 4th V.P. | Ralph Winter |
| Receptionist | Kimbra Standish |
| Rollerblader | Steven Angiolini |
| 'Cyberspirits' and Skaters | Melissa Barkan |
| 'Cyberspirits' and Skaters | Donald J. Hewitt Jr. |
| 'Cyberspirits' and Skaters | Christopher Waller |
| 'Cyberspirits' and Skaters | Joseph Lloyd |
| Father (uncredited) | C.J. Byrnes |
